Number of (n+1) X (3+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).
A234328
Number of (n+1) X (3+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).
Terms
- a(0) =2368a(1) =25728a(2) =287888a(3) =3271560a(4) =37234216a(5) =425662432a(6) =4858165384a(7) =55631535036a(8) =635692080136
External references
- oeis: A234328