DMT-Nexus member
Posts: 128 Joined: 03-Jun-2017 Last visit: 14-Jun-2022 Location: European Union
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Please only share links to OEIS sequences! I'll start: http://oeis.org/A000292 Tetrahedral (or triangular pyramidal) numbers
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DMT-Nexus member
Posts: 128 Joined: 03-Jun-2017 Last visit: 14-Jun-2022 Location: European Union
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Boundary condition
 
Posts: 8617 Joined: 30-Aug-2008 Last visit: 07-Nov-2024 Location: square root of minus one
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https://oeis.org/A000032 Lucas numbers Lots of interesting footnotes to this one. โThere is a way of manipulating matter and energy so as to produce what modern scientists call 'a field of force'. The field acts on the observer and puts him in a privileged position vis-à-vis the universe. From this position he has access to the realities which are ordinarily hidden from us by time and space, matter and energy. This is what we call the Great Work." โ Jacques Bergier, quoting Fulcanelli
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DMT-Nexus member
Posts: 128 Joined: 03-Jun-2017 Last visit: 14-Jun-2022 Location: European Union
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https://oeis.org/A002559 Markoff (or Markov) numbers
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DMT-Nexus member
Posts: 128 Joined: 03-Jun-2017 Last visit: 14-Jun-2022 Location: European Union
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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
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Boundary condition
Posts: 8617 Joined: 30-Aug-2008 Last visit: 07-Nov-2024 Location: square root of minus one
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muladharma wrote:https://oeis.org/A000045 Fibonacci numbers I nearly started with that one but thought it was too obvious  โThere is a way of manipulating matter and energy so as to produce what modern scientists call 'a field of force'. The field acts on the observer and puts him in a privileged position vis-à-vis the universe. From this position he has access to the realities which are ordinarily hidden from us by time and space, matter and energy. This is what we call the Great Work." โ Jacques Bergier, quoting Fulcanelli
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Boundary condition
Posts: 8617 Joined: 30-Aug-2008 Last visit: 07-Nov-2024 Location: square root of minus one
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http://oeis.org/A000384hexagonal numbers โThere is a way of manipulating matter and energy so as to produce what modern scientists call 'a field of force'. The field acts on the observer and puts him in a privileged position vis-à-vis the universe. From this position he has access to the realities which are ordinarily hidden from us by time and space, matter and energy. This is what we call the Great Work." โ Jacques Bergier, quoting Fulcanelli
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DMT-Nexus member
Posts: 128 Joined: 03-Jun-2017 Last visit: 14-Jun-2022 Location: European Union
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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)
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DMT-Nexus member
Posts: 128 Joined: 03-Jun-2017 Last visit: 14-Jun-2022 Location: European Union
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https://oeis.org/A007894 Number of fullerenes with 2n vertices (or carbon atoms). Brinkmann, Gunnar and Dress, Andreas W. M.; A constructive enumeration of fullerenes. J. Algorithms 23 (1997), no. 2, 345-358.
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DMT-Nexus member
Posts: 128 Joined: 03-Jun-2017 Last visit: 14-Jun-2022 Location: European Union
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https://oeis.org/A000079 Powers of 2: a(n) = 2^n. (Formerly M1129 N0432)
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