Number of (n+1) X (1+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).
A234444
Number of (n+1) X (1+1) 0..4 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) =160a(1) =1120a(2) =8064a(3) =58720a(4) =428800a(5) =3137920a(6) =22953984a(7) =168075520a(8) =1229731840a(9) =9005086720a(10) =65887739904a(11) =482487224320
External references
- oeis: A234444