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.

A338562 Number of cyclic diagonal Latin squares of order 2n+1.

Table of values

n a(n)
0 1
1 0
2 240
3 20160
4 0
5 319334400
6 62270208000
7 0
8 4979623993344000
9 1946321606541312000
10 0
11 517040334777699532800000
12 155112100433309859840000000
13 0
14 229885811837232250818134016000000
15 230239482316981838896315760640000000
16 0
17 82665183731089159437333210700185600000000

List of values

[1, 0, 240, 20160, 0, 319334400, 62270208000, 0, 4979623993344000, 1946321606541312000, 0, 517040334777699532800000, 155112100433309859840000000, 0, 229885811837232250818134016000000, 230239482316981838896315760640000000, 0, 82665183731089159437333210700185600000000]

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

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