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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.

A270770 Total sum of the sizes of all blocks with minimal element 7 in all set partitions of {1,2,...,n}.

Table of values

n a(n)
7 203
8 1283
9 8257
10 54692
11 374718
12 2661473
13 19610565
14 149888167
15 1187718179
16 9749390152
17 82822876970
18 727437579645
19 6598866824243
20 61763271567331
21 595865108592205
22 5919787896700720
23 60506938062384378
24 635715591580580381
25 6859852419023278269
26 75965077760416135623

List of values

[203, 1283, 8257, 54692, 374718, 2661473, 19610565, 149888167, 1187718179, 9749390152, 82822876970, 727437579645, 6598866824243, 61763271567331, 595865108592205, 5919787896700720, 60506938062384378, 635715591580580381, 6859852419023278269, 75965077760416135623]

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

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