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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A251182 a(n) = Sum_{k=0..n} binomial(n, k) * (2^k - 1)^k.

Table of values

n a(n)
0 1
1 2
2 12
3 374
4 52056
5 28885802
6 62696043492
7 533314127677214
8 17882368106959072176
9 2375841795610783881752402
10 1255349217681407318492850586812
11 2644225793295900889867998778302561734
12 22235530372401312606563659670627119777739016
13 747102526634678016053120249315815798707672485729402

List of values

[1, 2, 12, 374, 52056, 28885802, 62696043492, 533314127677214, 17882368106959072176, 2375841795610783881752402, 1255349217681407318492850586812, 2644225793295900889867998778302561734, 22235530372401312606563659670627119777739016, 747102526634678016053120249315815798707672485729402]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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