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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.

A308490 a(0) = 1, a(n) = Sum_{k=1..n} stirling2(n,k) * k^(2*k).

Table of values

n a(n)
0 1
1 1
2 17
3 778
4 70023
5 10439451
6 2327592658
7 725325847443
8 301054612941037
9 160546901676583432
10 106969402879501806589
11 87079496403914056543799
12 85043317211453886535179728
13 98135961356804028347727824541
14 132097548629285541942722646521053

List of values

[1, 1, 17, 778, 70023, 10439451, 2327592658, 725325847443, 301054612941037, 160546901676583432, 106969402879501806589, 87079496403914056543799, 85043317211453886535179728, 98135961356804028347727824541, 132097548629285541942722646521053]

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

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