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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.

A184357 a(n) = Sum_{k=0..n} C(n^2-k^2, n-k)*C(k^2, k).

Table of values

n a(n)
0 1
1 2
2 15
3 226
4 5079
5 151326
6 5611906
7 248995090
8 12862665297
9 758353907422
10 50255751919386
11 3698524145800452
12 299324750430958973
13 26424096787968560864
14 2527130527406877225450
15 260305991718814269022586
16 28732428200125730917353569

List of values

[1, 2, 15, 226, 5079, 151326, 5611906, 248995090, 12862665297, 758353907422, 50255751919386, 3698524145800452, 299324750430958973, 26424096787968560864, 2527130527406877225450, 260305991718814269022586, 28732428200125730917353569]

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

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