The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A048896 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A048896

a(n) = 2^(A000120(n+1) - 1), n >= 0.
(history; published version)

#126 by Michael De Vlieger at Thu Aug 29 12:14:55 EDT 2024

STATUS

reviewed

approved

#125 by Joerg Arndt at Thu Aug 29 11:29:53 EDT 2024

STATUS

proposed

reviewed

#124 by Michel Marcus at Thu Aug 29 11:05:53 EDT 2024

STATUS

editing

proposed

#123 by Michel Marcus at Thu Aug 29 11:05:49 EDT 2024

EXAMPLE

1;

1,2;

1,2,2,4;

1,2,2,4,2,4,4,8;

1,2,2,4,2,4,4,8,2,4,4,8,4,8,8,16;

1,2,2,4,2,4,4,8,2,4,4,8,4,8,8,16,2,4,4,8,4,8,8,16,4,8,8,16,8,16,16,32;

...,

STATUS

proposed

editing

#122 by Andrey Zabolotskiy at Thu Aug 29 06:44:55 EDT 2024

STATUS

editing

proposed

#121 by Andrey Zabolotskiy at Thu Aug 29 06:44:41 EDT 2024

MATHEMATICA

Denominator[Table[BernoulliB[2*n] / (Zeta[2*n]/Pi^[(2*n]), ), {n, 1, 100}]] (* Terry D. Grant, May 29 2017 *)

STATUS

approved

editing

#120 by Michael De Vlieger at Mon Oct 31 07:34:43 EDT 2022

STATUS

proposed

approved

#119 by Michel Marcus at Mon Oct 31 02:04:02 EDT 2022

STATUS

editing

proposed

#118 by Michel Marcus at Mon Oct 31 02:03:58 EDT 2022

LINKS

E. Emeric Deutsch and B. E. Sagan, <a href="https://arxiv.org/abs/math/0407326">Congruences for Catalan and Motzkin numbers and related sequences</a>, arXiv:math/0407326 [math.CO], 2004; J. Num. Theory 117 (2006), 191-215.

STATUS

proposed

editing

#117 by Gus Wiseman at Mon Oct 31 02:02:51 EDT 2022

STATUS

editing

proposed