Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal.
A233690
Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal.
Terms
- a(0) =43540a(1) =1596200a(2) =62569964a(3) =2662026560a(4) =113995582540
External references
- oeis: A233690