The number of ways of tiling the n X n grid up to diagonal and antidiagonal reflections by a tile that is fixed under diagonal reflection, but not antidiagonal reflection.
A367527
The number of ways of tiling the n X n grid up to diagonal and antidiagonal reflections by a tile that is fixed under diagonal reflection, but not antidiagonal reflection.
Terms
- a(0) =1a(1) =7a(2) =144a(3) =16704a(4) =8396800a(5) =17180459008
External references
- oeis: A367527