Number of (n+1)X(4+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 6.
A233631
Number of (n+1)X(4+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 6.
Terms
- a(0) =34996a(1) =2172148a(2) =130732438a(3) =8271515976a(4) =523893377896
External references
- oeis: A233631