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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.

A289949 a(n) = Sum_{k=0..n} k!^4.

Table of values

n a(n)
0 1
1 2
2 18
3 1314
4 333090
5 207693090
6 268946253090
7 645510228813090
8 2643553803594573090
9 17342764866576345933090
10 173418555892594089945933090
11 2538940579958951120707545933090
12 52646414799433780559063261145933090
13 1503614384819523432725006336630745933090

List of values

[1, 2, 18, 1314, 333090, 207693090, 268946253090, 645510228813090, 2643553803594573090, 17342764866576345933090, 173418555892594089945933090, 2538940579958951120707545933090, 52646414799433780559063261145933090, 1503614384819523432725006336630745933090]

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

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