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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.

A343928 a(n) = Sum_{k=0..n} (k!)^n * binomial(n,k).

Table of values

n a(n)
0 1
1 2
2 7
3 244
4 337061
5 24923091206
6 139331988275478727
7 82607113404338664216300296
8 6984967577834038055008791270166057993
9 109110690950275218023122492287310115968068596613130
10 395940866518366059877297056617763923418318903997411043997258716171

List of values

[1, 2, 7, 244, 337061, 24923091206, 139331988275478727, 82607113404338664216300296, 6984967577834038055008791270166057993, 109110690950275218023122492287310115968068596613130, 395940866518366059877297056617763923418318903997411043997258716171]

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

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