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.

A188412 Number of (5*n)X5 binary arrays with rows in nonincreasing order, n ones in every column and no more than 3 ones in any row.

Table of values

n a(n)
1 46
2 1308
3 21965
4 252493
5 2181522
6 15083334
7 87171345
8 434626896
9 1914365683
10 7586544223
11 27443717856
12 91677539685
13 285511159634
14 835479072942
15 2312389036003
16 6087264779565
17 15314086591293
18 36970334246131

List of values

[46, 1308, 21965, 252493, 2181522, 15083334, 87171345, 434626896, 1914365683, 7586544223, 27443717856, 91677539685, 285511159634, 835479072942, 2312389036003, 6087264779565, 15314086591293, 36970334246131]