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.

A181021 Maximum number of 1s in an nX(n+2) binary matrix with no three 1s adjacent in a line along a row, column or diagonally.

Table of values

n a(n)
1 2
2 6
3 9
4 13
5 20
6 26
7 33
8 42
9 52
10 62

List of values

[2, 6, 9, 13, 20, 26, 33, 42, 52, 62]