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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.

A270772 Total sum of the sizes of all blocks with minimal element 9 in all set partitions of {1,2,...,n}.

Table of values

n a(n)
9 4140
10 29427
11 212983
12 1581303
13 12088759
14 95330022
15 776018428
16 6521484087
17 56562256041
18 506044752411
19 4667150715433
20 44340683871574
21 433622678716408
22 4361610383346991
23 45089441627371047
24 478706886902110399
25 5215712244172846891
26 58277269108672859458

List of values

[4140, 29427, 212983, 1581303, 12088759, 95330022, 776018428, 6521484087, 56562256041, 506044752411, 4667150715433, 44340683871574, 433622678716408, 4361610383346991, 45089441627371047, 478706886902110399, 5215712244172846891, 58277269108672859458]

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

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