Number of (n+1) X (7+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7 (constant-stress 1 X 1 tilings).
A234727
Number of (n+1) X (7+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7 (constant-stress 1 X 1 tilings).
Terms
- a(0) =1344640a(1) =2531888a(2) =4577624a(3) =10632200a(4) =23194936a(5) =62379416a(6) =157274648a(7) =467509400a(8) =1311421240a(9) =4191830168a(10) =12727101464
External references
- oeis: A234727