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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.

A270763 Total sum of the sizes of all blocks with maximal element 9 in all set partitions of {1,2,...,n}.

Table of values

n a(n)
9 54267
10 230884
11 1090335
12 5624233
13 31336468
14 187018111
15 1187718179
16 7984210898
17 56562256041
18 420709044049
19 3275003008250
20 26608043757997
21 225076163325759
22 1977999456151260
23 18024710156370739
24 170022295940977197
25 1657528265315075476
26 16676976427179730819

List of values

[54267, 230884, 1090335, 5624233, 31336468, 187018111, 1187718179, 7984210898, 56562256041, 420709044049, 3275003008250, 26608043757997, 225076163325759, 1977999456151260, 18024710156370739, 170022295940977197, 1657528265315075476, 16676976427179730819]

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

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