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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.

A368769 a(n) = (n!)^3 * Sum_{k=1..n} 1/(k!)^3.

Table of values

n a(n)
0 0
1 1
2 9
3 244
4 15617
5 1952126
6 421659217
7 144629111432
8 74050105053185
9 53982526583771866
10 53982526583771866001
11 71850742883000353647332
12 124158083701824611102589697
13 272775309892908670592389564310
14 748495450346141392105516964466641

List of values

[0, 1, 9, 244, 15617, 1952126, 421659217, 144629111432, 74050105053185, 53982526583771866, 53982526583771866001, 71850742883000353647332, 124158083701824611102589697, 272775309892908670592389564310, 748495450346141392105516964466641]

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

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