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.

A185824 1/5 the number of nX8 0..4 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors.

Table of values

n a(n)
1 181
2 3701360
3 26231137608
4 247462638659680
5 2112817100467905536

List of values

[181, 3701360, 26231137608, 247462638659680, 2112817100467905536]