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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.

A291505 a(n) = (n!)^7 * Sum_{i=1..n} 1/i^7.

Table of values

n a(n)
0 0
1 1
2 129
3 282251
4 4624680320
5 361307736471424
6 101143400834944548864
7 83296040059942781485105152
8 174684539610200377980575079727104
9 835510910973061065615656036610946891776
10 8355109938323553617123838798161699143680000000

List of values

[0, 1, 129, 282251, 4624680320, 361307736471424, 101143400834944548864, 83296040059942781485105152, 174684539610200377980575079727104, 835510910973061065615656036610946891776, 8355109938323553617123838798161699143680000000]

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

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