Number of (n+1)X(2+1) 0..3 arrays colored with the sets of distinct values in every 2X2 subblock.
A236121
Number of (n+1)X(2+1) 0..3 arrays colored with the sets of distinct values in every 2X2 subblock.
Terms
- a(0) =3096a(1) =91128a(2) =2692656a(3) =79581792a(4) =2351803200a(5) =69503976144
External references
- oeis: A236121