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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.

A309185 (1/6) times the number of n-member subsets of [6n] whose elements sum to a multiple of n.

Table of values

n a(n)
1 1
2 5
3 46
4 445
5 4751
6 54086
7 642342
8 7861661
9 98480332
10 1256564755
11 16273981758
12 213378975958
13 2826867619109
14 37782552518478
15 508840821830546
16 6898459216311581
17 94070535317459018
18 1289430373107971804
19 17755914760643605782
20 245518560760433579195

List of values

[1, 5, 46, 445, 4751, 54086, 642342, 7861661, 98480332, 1256564755, 16273981758, 213378975958, 2826867619109, 37782552518478, 508840821830546, 6898459216311581, 94070535317459018, 1289430373107971804, 17755914760643605782, 245518560760433579195]

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

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