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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.

A270760 Total sum of the sizes of all blocks with maximal element 6 in all set partitions of {1,2,...,n}.

Table of values

n a(n)
6 463
7 1429
8 5204
9 21485
10 98367
11 492112
12 2661473
13 15433189
14 95330022
15 623920659
16 4307488855
17 31251896082
18 237507413011
19 1885386460081
20 15594381406204
21 134098780567817
22 1196511239506523
23 11057997444651072
24 105684135069638365
25 1043003293054453121

List of values

[463, 1429, 5204, 21485, 98367, 492112, 2661473, 15433189, 95330022, 623920659, 4307488855, 31251896082, 237507413011, 1885386460081, 15594381406204, 134098780567817, 1196511239506523, 11057997444651072, 105684135069638365, 1043003293054453121]

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

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