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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.

A336248 a(n) = (n!)^n * Sum_{k=0..n} (-1)^k / (k!)^n.

Table of values

n a(n)
0 1
1 0
2 1
3 26
4 20481
5 774403124
6 2173797080953345
7 645067515585218711490294
8 27280857986486289638369834192338945
9 213095986405176211170558965907644717041658073416
10 386654453940903446694477049963665295677203885863801760000000001

List of values

[1, 0, 1, 26, 20481, 774403124, 2173797080953345, 645067515585218711490294, 27280857986486289638369834192338945, 213095986405176211170558965907644717041658073416, 386654453940903446694477049963665295677203885863801760000000001]

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

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