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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.

A320207 Number of sets of nonempty words with a total of n letters over senary alphabet such that all letters occur at least once in the set.

Table of values

n a(n)
6 4051
7 111396
8 1830822
9 23420022
10 257667120
11 2564003346
12 23761098837
13 208907298660
14 1764392910027
15 14440938630576
16 115269796672350
17 901599089475150
18 6935143271107130
19 52608326918749428
20 394424679767297550
21 2927811687630339744
22 21547773469006784856

List of values

[4051, 111396, 1830822, 23420022, 257667120, 2564003346, 23761098837, 208907298660, 1764392910027, 14440938630576, 115269796672350, 901599089475150, 6935143271107130, 52608326918749428, 394424679767297550, 2927811687630339744, 21547773469006784856]

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

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