Number of (n+1) X (7+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings).
A234657
Number of (n+1) X (7+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings).
Terms
- a(0) =1434624a(1) =2414992a(2) =4196144a(3) =8731840a(4) =18735792a(5) =46510768a(6) =118121744a(7) =335161744a(8) =966751344a(9) =3047922832a(10) =9726377744a(11) =33467842000a(12) =116063388912
External references
- oeis: A234657