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.

A318592 Number of n-member subsets of [4*n] whose elements sum to a multiple of four.

Table of values

n a(n)
0 1
1 1
2 6
3 55
4 460
5 3876
6 33594
7 296010
8 2630044
9 23535820
10 211911256
11 1917334783
12 17417167156
13 158753389900
14 1451182694940
15 13298522298180
16 122131736900380
17 1123787895356412
18 10358022417860040
19 95615237915961100
20 883829035764950960
21 8179808679272664720

List of values

[1, 1, 6, 55, 460, 3876, 33594, 296010, 2630044, 23535820, 211911256, 1917334783, 17417167156, 158753389900, 1451182694940, 13298522298180, 122131736900380, 1123787895356412, 10358022417860040, 95615237915961100, 883829035764950960, 8179808679272664720]