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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.

A320210 Number of sets of nonempty words with a total of n letters over nonary alphabet such that all letters occur at least once in the set.

Table of values

n a(n)
9 4596553
10 263460321
11 8549512506
12 207037303758
13 4169086763787
14 73865658618900
15 1191183607371897
16 17876336340787308
17 253521082577243286
18 3435636331820210328
19 44859666267675306756
20 567955878004442678319
21 7007036376866803617768
22 84571686324119453047650

List of values

[4596553, 263460321, 8549512506, 207037303758, 4169086763787, 73865658618900, 1191183607371897, 17876336340787308, 253521082577243286, 3435636331820210328, 44859666267675306756, 567955878004442678319, 7007036376866803617768, 84571686324119453047650]

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

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