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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.

A214590 Number of nXnXn triangular 0..3 arrays with every horizontal row having the same average value.

Table of values

n a(n)
1 4
2 8
3 62
4 1862
5 187862
6 63120962
7 71200442882
8 272199293130242
9 3552472974642762242
10 159161446682919676638722
11 24593308418551382594861736962
12 13156534644821921838477614251069442

List of values

[4, 8, 62, 1862, 187862, 63120962, 71200442882, 272199293130242, 3552472974642762242, 159161446682919676638722, 24593308418551382594861736962, 13156534644821921838477614251069442]

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

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