Number of (n+1) X (1+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).
A234674
Number of (n+1) X (1+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) =112a(1) =404a(2) =1264a(3) =4568a(4) =14368a(5) =52016a(6) =164416a(7) =596192a(8) =1892992a(9) =6874304a(10) =21915904a(11) =79691648a(12) =254990848a(13) =928299776a(14) =2979890176a(15) =10859597312a(16) =34958682112a(17) =127515167744a(18) =411504185344
External references
- oeis: A234674