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.

A221272 Number of nX4 arrays of occupancy after each element moves to some king-move neighbor, with every occupancy equal to zero or two.

Table of values

n a(n)
1 1
2 52
3 596
4 7252
5 94659
6 1250015
7 16474842
8 217194702
9 2863102280
10 37731750319
11 497133557199
12 6548899949298
13 86261110576994
14 1136131886838454

List of values

[1, 52, 596, 7252, 94659, 1250015, 16474842, 217194702, 2863102280, 37731750319, 497133557199, 6548899949298, 86261110576994, 1136131886838454]