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.

A189260 Number of nX5 binary arrays without the pattern 0 0 1 diagonally, antidiagonally or horizontally.

Table of values

n a(n)
1 20
2 400
3 4720
4 52748
5 552752
6 5746968
7 59399960
8 613358776
9 6329670680
10 65317473848
11 674005375088
12 6955021798680
13 71768481603464
14 740576822228336
15 7641997047772264
16 78857656505309336
17 813731203352806672

List of values

[20, 400, 4720, 52748, 552752, 5746968, 59399960, 613358776, 6329670680, 65317473848, 674005375088, 6955021798680, 71768481603464, 740576822228336, 7641997047772264, 78857656505309336, 813731203352806672]