cp's OEIS Frontend

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.

A270500 Sum of the sizes of the eighth blocks in all set partitions of {1,2,...,n}.

Table of values

n a(n)
8 1
9 38
10 842
11 14303
12 207186
13 2704647
14 32890525
15 380797185
16 4261887992
17 46630717274
18 503083676180
19 5388429971042
20 57614949228381
21 617784630625192
22 6668316674283818
23 72685580775510461
24 802184346241503206
25 8983104653288906449
26 102246823195952449865

List of values

[1, 38, 842, 14303, 207186, 2704647, 32890525, 380797185, 4261887992, 46630717274, 503083676180, 5388429971042, 57614949228381, 617784630625192, 6668316674283818, 72685580775510461, 802184346241503206, 8983104653288906449, 102246823195952449865]

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

Content is available under The OEIS End-User License Agreement.