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.

A355127 a(n) is the number of different (n-1)-move routes for a king on an empty n X n chessboard.

Table of values

n a(n)
1 1
2 12
3 200
4 2880
5 37680
6 455224
7 5186888
8 56471040
9 593296160
10 6057160296
11 60407414256
12 590807590672
13 5684125083000
14 53924502344880
15 505415790232592
16 4687367714152128
17 43070861665247616
18 392532002390446600
19 3551337773634149120
20 31920035670120464496

List of values

[1, 12, 200, 2880, 37680, 455224, 5186888, 56471040, 593296160, 6057160296, 60407414256, 590807590672, 5684125083000, 53924502344880, 505415790232592, 4687367714152128, 43070861665247616, 392532002390446600, 3551337773634149120, 31920035670120464496]