A367523 - cp's OEIS frontend

A367523 The number of ways of tiling the n X n grid up to the symmetries of the square by a tile that is fixed under 90-degree rotations, but not reflections.

n	a(n)
1	1
2	4
3	70
4	8292
5	4195360
6	8590033024
7	70368748374016
8	2305843010824323072
9	302231454903932172107776
10	158456325028529097399561355264
11	332306998946228968514182141758668800
12	2787593149816327892693735671512138485071872
13	93536104789177786765035834129545391718695404830720

[1, 4, 70, 8292, 4195360, 8590033024, 70368748374016, 2305843010824323072, 302231454903932172107776, 158456325028529097399561355264, 332306998946228968514182141758668800, 2787593149816327892693735671512138485071872, 93536104789177786765035834129545391718695404830720]

cp's OEIS Frontend

A367523 The number of ways of tiling the n X n grid up to the symmetries of the square by a tile that is fixed under 90-degree rotations, but not reflections.

Table of values

List of values