A367526 - cp's OEIS frontend

A367526 The number of ways of tiling the n X n grid up to diagonal and antidiagonal reflections by two tiles that are each fixed under both of these reflections.

n	a(n)
1	2
2	9
3	168
4	16960
5	8407040
6	17180983296
7	140737630961664
8	4611686053860868096
9	604462909825456529211392
10	316912650057075646247661993984
11	664613997892457973921852429862699008
12	5575186299632655785536225887234636434636800
13	187072209578355573530072906199130068813267662274560

[2, 9, 168, 16960, 8407040, 17180983296, 140737630961664, 4611686053860868096, 604462909825456529211392, 316912650057075646247661993984, 664613997892457973921852429862699008, 5575186299632655785536225887234636434636800, 187072209578355573530072906199130068813267662274560]

cp's OEIS Frontend

A367526 The number of ways of tiling the n X n grid up to diagonal and antidiagonal reflections by two tiles that are each fixed under both of these reflections.

Table of values

List of values