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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.

A320208 Number of sets of nonempty words with a total of n letters over septenary alphabet such that all letters occur at least once in the set.

Table of values

n a(n)
7 37633
8 1366057
9 28969248
10 470004045
11 6470660266
12 79706067707
13 906335330250
14 9706198156760
15 99243640018075
16 978284068984075
17 9363362648969343
18 87485517250169934
19 801259222264152813
20 7216852772737393058
21 64088034265985397794
22 562287261308092526759

List of values

[37633, 1366057, 28969248, 470004045, 6470660266, 79706067707, 906335330250, 9706198156760, 99243640018075, 978284068984075, 9363362648969343, 87485517250169934, 801259222264152813, 7216852772737393058, 64088034265985397794, 562287261308092526759]

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

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