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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.

A320209 Number of sets of nonempty words with a total of n letters over octonary alphabet such that all letters occur at least once in the set.

Table of values

n a(n)
8 394353
9 18235680
10 484092688
11 9697863856
12 163046201132
13 2430540970008
14 33194557467204
15 424251626739144
16 5148887208055692
17 59963231946871288
18 675318621308265328
19 7398542789316786184
20 79210967706138213860
21 831754864387299725168
22 8590788276593760698232

List of values

[394353, 18235680, 484092688, 9697863856, 163046201132, 2430540970008, 33194557467204, 424251626739144, 5148887208055692, 59963231946871288, 675318621308265328, 7398542789316786184, 79210967706138213860, 831754864387299725168, 8590788276593760698232]

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

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