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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.

A339311 a(n) = Sum_{k=1..n} (k!)^n.

Table of values

n a(n)
1 1
2 5
3 225
4 333089
5 24891170433
6 139317055679149697
7 82606511560391889386751489
8 6984964663477899063759529684476994049
9 109110688697205077023425816926479750793809817618433
10 395940866162019279867473563258123776010342586429441374123441432577

List of values

[1, 5, 225, 333089, 24891170433, 139317055679149697, 82606511560391889386751489, 6984964663477899063759529684476994049, 109110688697205077023425816926479750793809817618433, 395940866162019279867473563258123776010342586429441374123441432577]

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

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