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.

A231771 Number of (7+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to one.

Table of values

n a(n)
1 784
2 338352
3 18318400
4 893571840
5 85629975876
6 8624298007460
7 682267982467600
8 52970839821218880
9 4456718983049324644
10 378011756367282007468
11 31157229662166847152384
12 2561630098398545354807964

List of values

[784, 338352, 18318400, 893571840, 85629975876, 8624298007460, 682267982467600, 52970839821218880, 4456718983049324644, 378011756367282007468, 31157229662166847152384, 2561630098398545354807964]