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muladharma
#1 Posted : 12/26/2019 10:22:44 PM

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Please only share links to OEIS sequences!
I'll start:

http://oeis.org/A000292 Tetrahedral (or triangular pyramidal) numbers
Find the wisdom to practice loving-kindness.
 

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muladharma
#2 Posted : 12/27/2019 2:27:19 AM

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https://oeis.org/A000142 Factorial numbers
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downwardsfromzero
#3 Posted : 12/27/2019 9:01:30 PM

Comical egg spurt; Senile mumbler

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https://oeis.org/A000032 Lucas numbers

Lots of interesting footnotes to this one.
Ora, lege, lege, lege, relege et labora

“To be GOVERNED is to be watched, inspected, spied upon, directed, law-driven, numbered, regulated, enrolled, indoctrinated, preached at, controlled, checked, estimated, valued, censured, commanded, by creatures who have neither the right nor the wisdom nor the virtue to do so. To be GOVERNED is to be at every operation, at every transaction noted, registered, counted, taxed, stamped, measured, numbered, assessed, licensed, authorized, admonished, prevented, forbidden, reformed, corrected, punished. It is, under pretext of public utility, and in the name of the general interest, to be place under contribution, drilled, fleeced, exploited, monopolized, extorted from, squeezed, hoaxed, robbed; then, at the slightest resistance, the first word of complaint, to be repressed, fined, vilified, harassed, hunted down, abused, clubbed, disarmed, bound, choked, imprisoned, judged, condemned, shot, deported, sacrificed, sold, betrayed; and to crown all, mocked, ridiculed, derided, outraged, dishonored. That is government; that is its justice; that is its morality."
― Pierre-Joseph Proudhon
 
muladharma
#4 Posted : 12/31/2019 12:50:37 PM

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https://oeis.org/A002559 Markoff (or Markov) numbers
Find the wisdom to practice loving-kindness.
 
muladharma
#5 Posted : 12/31/2019 12:52:32 PM

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downwardsfromzero wrote:
https://oeis.org/A000032 Lucas numbers

Lots of interesting footnotes to this one.


https://oeis.org/A000045 Fibonacci numbers
Find the wisdom to practice loving-kindness.
 
downwardsfromzero
#6 Posted : 1/7/2020 12:01:16 AM

Comical egg spurt; Senile mumbler

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muladharma wrote:
https://oeis.org/A000045 Fibonacci numbers

I nearly started with that one but thought it was too obvious Wink
Ora, lege, lege, lege, relege et labora

“To be GOVERNED is to be watched, inspected, spied upon, directed, law-driven, numbered, regulated, enrolled, indoctrinated, preached at, controlled, checked, estimated, valued, censured, commanded, by creatures who have neither the right nor the wisdom nor the virtue to do so. To be GOVERNED is to be at every operation, at every transaction noted, registered, counted, taxed, stamped, measured, numbered, assessed, licensed, authorized, admonished, prevented, forbidden, reformed, corrected, punished. It is, under pretext of public utility, and in the name of the general interest, to be place under contribution, drilled, fleeced, exploited, monopolized, extorted from, squeezed, hoaxed, robbed; then, at the slightest resistance, the first word of complaint, to be repressed, fined, vilified, harassed, hunted down, abused, clubbed, disarmed, bound, choked, imprisoned, judged, condemned, shot, deported, sacrificed, sold, betrayed; and to crown all, mocked, ridiculed, derided, outraged, dishonored. That is government; that is its justice; that is its morality."
― Pierre-Joseph Proudhon
 
downwardsfromzero
#7 Posted : 1/16/2020 10:59:29 PM

Comical egg spurt; Senile mumbler

Chemical expertSenior Member

Posts: 4595
Joined: 30-Aug-2008
Last visit: 01-Apr-2020
Location: square root of minus one
http://oeis.org/A000384
hexagonal numbers
Ora, lege, lege, lege, relege et labora

“To be GOVERNED is to be watched, inspected, spied upon, directed, law-driven, numbered, regulated, enrolled, indoctrinated, preached at, controlled, checked, estimated, valued, censured, commanded, by creatures who have neither the right nor the wisdom nor the virtue to do so. To be GOVERNED is to be at every operation, at every transaction noted, registered, counted, taxed, stamped, measured, numbered, assessed, licensed, authorized, admonished, prevented, forbidden, reformed, corrected, punished. It is, under pretext of public utility, and in the name of the general interest, to be place under contribution, drilled, fleeced, exploited, monopolized, extorted from, squeezed, hoaxed, robbed; then, at the slightest resistance, the first word of complaint, to be repressed, fined, vilified, harassed, hunted down, abused, clubbed, disarmed, bound, choked, imprisoned, judged, condemned, shot, deported, sacrificed, sold, betrayed; and to crown all, mocked, ridiculed, derided, outraged, dishonored. That is government; that is its justice; that is its morality."
― Pierre-Joseph Proudhon
 
muladharma
#8 Posted : 3/21/2020 7:00:40 AM

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http://oeis.org/A034444 a(n) is the number of unitary divisors of n (d such that d divides n, gcd(d, n/d) = 1)
Find the wisdom to practice loving-kindness.
 
 
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