Number of (n+1) X (3+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings).
A234818
Number of (n+1) X (3+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings).
Terms
- a(0) =2380a(1) =6282a(2) =15224a(3) =47136a(4) =131704a(5) =443220a(6) =1352816a(7) =4791948a(8) =15484360a(9) =56779452a(10) =190677584a(11) =716514876a(12) =2473383304a(13) =9461029980a(14) =33344399696a(15) =129230455548a(16) =462955104520
External references
- oeis: A234818