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.

A272445 Numbers of paths for moving a king from a corner to the opposite one in an n X n chessboard, provided that each cell must be reached exactly once.

Table of values

n a(n)
1 1
2 2
3 30
4 4942
5 5853876
6 58039036412
7 4458135334234700
8 2811002302704446996926
9 14204916761279146343474398608
10 580077332863329104087361516015280826
11 190934226579364879405564404836420471442186330
12 507088717315287736410992294230305692212344811974323748

List of values

[1, 2, 30, 4942, 5853876, 58039036412, 4458135334234700, 2811002302704446996926, 14204916761279146343474398608, 580077332863329104087361516015280826, 190934226579364879405564404836420471442186330, 507088717315287736410992294230305692212344811974323748]