Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 2.
A233643
Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 2.
Terms
- a(0) =57456a(1) =3277236a(2) =170872144a(3) =9797170648a(4) =531400908604
External references
- oeis: A233643