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.

A187855 Number of 7-step king-knight's tours (piece capable of both kinds of moves) on an n X n board summed over all starting positions.

Table of values

n a(n)
1 0
2 0
3 35328
4 1533064
5 10353632
6 33908456
7 76860784
8 140714528
9 225295032
10 330074144
11 454720992
12 599118736
13 763244128
14 947095136
15 1150671760
16 1373974000
17 1617001856
18 1879755328
19 2162234416
20 2464439120
21 2786369440
22 3128025376

List of values

[0, 0, 35328, 1533064, 10353632, 33908456, 76860784, 140714528, 225295032, 330074144, 454720992, 599118736, 763244128, 947095136, 1150671760, 1373974000, 1617001856, 1879755328, 2162234416, 2464439120, 2786369440, 3128025376]