Number of (n+1)X(2+1) 0..3 arrays colored with the difference of the maximum and minimum in each 2X2 subblock.
A236446
Number of (n+1)X(2+1) 0..3 arrays colored with the difference of the maximum and minimum in each 2X2 subblock.
Terms
- a(0) =2116a(1) =25172a(2) =280436a(3) =3081484a(4) =33804644a(5) =372302304a(6) =4107125100a(7) =45253160716a(8) =498239745892
External references
- oeis: A236446