A367533 - cp's OEIS frontend

A367533 The number of ways of tiling the n X n torus up to the symmetries of the square by a tile that is fixed under both horizontal and vertical reflection, but not diagonal reflection.

n	a(n)
1	1
2	4
3	18
4	733
5	170440
6	239035502
7	1436110601256
8	36028815364865610
9	3731252530927004638384
10	1584563250299991004659308752
11	2746338834266357074512496613490144
12	19358285762613388346374725943958077888688
13	553468075675608205710323628035216140349636855680

[1, 4, 18, 733, 170440, 239035502, 1436110601256, 36028815364865610, 3731252530927004638384, 1584563250299991004659308752, 2746338834266357074512496613490144, 19358285762613388346374725943958077888688, 553468075675608205710323628035216140349636855680]

cp's OEIS Frontend

A367533 The number of ways of tiling the n X n torus up to the symmetries of the square by a tile that is fixed under both horizontal and vertical reflection, but not diagonal reflection.

Table of values

List of values