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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.

A136637 a(n) = Sum_{k=0..n} C(n, k) * C(2^k*3^(n-k), n).

Table of values

n a(n)
0 1
1 5
2 72
3 6089
4 3326498
5 12405917044
6 336474648380394
7 69883583587428350874
8 115099747754889610404191160
9 1536533057081060754026861201898620
10 168527150638482484315370462123098294514192

List of values

[1, 5, 72, 6089, 3326498, 12405917044, 336474648380394, 69883583587428350874, 115099747754889610404191160, 1536533057081060754026861201898620, 168527150638482484315370462123098294514192]

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

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