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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.

A242282 a(n) = Sum_{k=0..n} (k!)^4 * StirlingS2(n,k)^2.

Table of values

n a(n)
0 1
1 1
2 17
3 1441
4 379217
5 241351201
6 316806826577
7 767860003562401
8 3168021900014798417
9 20904944903800508800801
10 210024043938800961464262737
11 3086813642229865705833791897761
12 64215498113561436496993921529947217
13 1839120994194606497461076159930389792801

List of values

[1, 1, 17, 1441, 379217, 241351201, 316806826577, 767860003562401, 3168021900014798417, 20904944903800508800801, 210024043938800961464262737, 3086813642229865705833791897761, 64215498113561436496993921529947217, 1839120994194606497461076159930389792801]

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

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