Number of (n+1) X (3+1) 0..2 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).
A234438
Number of (n+1) X (3+1) 0..2 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) =448a(1) =2804a(2) =17200a(3) =108404a(4) =666880a(5) =4221580a(6) =26023136a(7) =165444308a(8) =1021780992a(9) =6523295060a(10) =40358959904a(11) =258707287924
External references
- oeis: A234438