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.

A378902 a(n) is the number of paths of a chess king on square a1 to reach a position outside an 8 X 8 chessboard after n steps.

Table of values

n a(n)
1 5
2 6
3 39
4 156
5 922
6 5060
7 31165
8 196605
9 1301490
10 8844147
11 61504902
12 434181564
13 3098427480
14 22270496859
15 160854381441
16 1165549608378
17 8463549600999
18 61543303627788
19 447926999731974
20 3262077526200660
21 23765765966223849
22 173189189528260281
23 1262299887268848702
24 9201356346994752339

List of values

[5, 6, 39, 156, 922, 5060, 31165, 196605, 1301490, 8844147, 61504902, 434181564, 3098427480, 22270496859, 160854381441, 1165549608378, 8463549600999, 61543303627788, 447926999731974, 3262077526200660, 23765765966223849, 173189189528260281, 1262299887268848702, 9201356346994752339]