Number of (n+1) X (n+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant-stress 1 X 1 tilings).
A234482
Number of (n+1) X (n+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant-stress 1 X 1 tilings).
Terms
- a(0) =62a(1) =926a(2) =13260a(3) =183422a(4) =2455350a(5) =31925284a(6) =404043442a(7) =4993740182a(8) =60359720132
External references
- oeis: A234482