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.

A123072 Bishops on an 8n+1 X 8n+1 board (see Robinson paper for details).

Table of values

n a(n)
0 1
1 2
2 72
3 7200
4 1411200
5 457228800
6 221298739200
7 149597947699200
8 134638152929280000
9 155641704786247680000
10 224746621711341649920000
11 396453040698806670458880000
12 838894634118674914690990080000
13 2097236585296687286727475200000000
14 6115541882725140128097317683200000000

List of values

[1, 2, 72, 7200, 1411200, 457228800, 221298739200, 149597947699200, 134638152929280000, 155641704786247680000, 224746621711341649920000, 396453040698806670458880000, 838894634118674914690990080000, 2097236585296687286727475200000000, 6115541882725140128097317683200000000]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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