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.

A309187 (1/8) times the number of n-member subsets of [8n] whose elements sum to a multiple of n.

Table of values

n a(n)
1 1
2 7
3 85
4 1127
5 16451
6 255619
7 4141383
8 69159399
9 1182125128
10 20581143157
11 363704640476
12 6506965279907
13 117626432708864
14 2145180354493281
15 39421026305282660
16 729242353169440743
17 13568988503585900648
18 253785064585174334488
19 4768543107831461199897

List of values

[1, 7, 85, 1127, 16451, 255619, 4141383, 69159399, 1182125128, 20581143157, 363704640476, 6506965279907, 117626432708864, 2145180354493281, 39421026305282660, 729242353169440743, 13568988503585900648, 253785064585174334488, 4768543107831461199897]

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

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