Number of (n+2)X(n+2) 0..7 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock.
A186573
Number of (n+2)X(n+2) 0..7 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock.
Terms
- a(0) =134217728a(1) =3383a(2) =335092a(3) =17616908a(4) =59508492a(5) =69691980a(6) =93739724a(7) =178672908a(8) =557336396a(9) =3528280204
External references
- oeis: A186573