Number of (n+1) X (7+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).
A235277
Number of (n+1) X (7+1) 0..4 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) =6208a(1) =8012a(2) =10088a(3) =14672a(4) =20440a(5) =33464a(6) =51800a(7) =93992a(8) =160888a(9) =317192a(10) =593048a(11) =1246472a(12) =2502520a(13) =5518664a(14) =11691800a(15) =26719112a(16) =58853368a(17) =138080072a(18) =312608408a(19) =747636872a(20) =1725115000a(21) =4182997064a(22) =9778136600a(23) =23940964232a(24) =56457574648
External references
- oeis: A235277