a(n) is the number of n-celled pseudo-polyominoes with holes.
A356975
a(n) is the number of n-celled pseudo-polyominoes with holes.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =3a(5) =28a(6) =199a(7) =1603a(8) =12234a(9) =93270a(10) =697641a(11) =5167477a(12) =37913465
External references
- oeis: A356975