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.

A321531 a(n) is the maximum number of distinct directions between n non-attacking rooks on an n X n chessboard.

Table of values

n a(n)
1 0
2 1
3 2
4 4
5 6
6 8
7 11
8 14
9 18
10 23

List of values

[0, 1, 2, 4, 6, 8, 11, 14, 18, 23]