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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.

A289945 a(n) = Sum_{k=1..n} k!^4.

Table of values

n a(n)
1 1
2 17
3 1313
4 333089
5 207693089
6 268946253089
7 645510228813089
8 2643553803594573089
9 17342764866576345933089
10 173418555892594089945933089
11 2538940579958951120707545933089
12 52646414799433780559063261145933089

List of values

[1, 17, 1313, 333089, 207693089, 268946253089, 645510228813089, 2643553803594573089, 17342764866576345933089, 173418555892594089945933089, 2538940579958951120707545933089, 52646414799433780559063261145933089]

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

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