Number of (n+1)X(7+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal.
A233988
Number of (n+1)X(7+1) 0..4 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) =291648a(1) =16042420a(2) =869143232a(3) =52813238148
External references
- oeis: A233988