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.

A222854 Number of n X n 0..1 arrays with every row and column least squares fitting to a nonnegative slope straight line, with a single point array taken as having zero slope.

Table of values

n a(n)
1 2
2 6
3 108
4 2262
5 452400
6 113936464
7 391515458264
8 1332606996955912

List of values

[2, 6, 108, 2262, 452400, 113936464, 391515458264, 1332606996955912]