Number of (n+1) X (7+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
A235238
Number of (n+1) X (7+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
Terms
- a(0) =170864a(1) =348876a(2) =698304a(3) =1593940a(4) =3548456a(5) =8787924a(6) =21123784a(7) =55565636a(8) =141304528a(9) =389137436a(10) =1033108024a(11) =2948180108a(12) =8099212024a(13) =23769869420a(14) =67153607264a(15) =201544634004a(16) =582902960392
External references
- oeis: A235238