Number of (n+1) X (2+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).
A234675
Number of (n+1) X (2+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).
Terms
- a(0) =404a(1) =1152a(2) =2924a(3) =9108a(4) =25292a(5) =82956a(6) =243164a(7) =823836a(8) =2495084a(9) =8636892a(10) =26700764a(11) =93812028a(12) =294012332a(13) =1044061596a(14) =3303828764a(15) =11823983676a(16) =37682184044a(17) =135642577692a(18) =434618272604
External references
- oeis: A234675