Number of (n+1) X (3+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
A235181
Number of (n+1) X (3+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
Terms
- a(0) =576a(1) =1400a(2) =3240a(3) =8224a(4) =19952a(5) =52328a(6) =131120a(7) =352000a(8) =903544a(9) =2468016a(10) =6458176a(11) =17881160a(12) =47552704a(13) =133129216a(14) =359039112a(15) =1014613904a(16) =2770351216a(17) =7892016840a(18) =21785349232a(19) =62495913056a(20) =174180409272a(21) =502718703312
External references
- oeis: A235181