Number of (n+1) X (7+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.

A258553

Number of (n+1) X (7+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.

Terms

    a(0) =2008a(1) =894a(2) =2542a(3) =4313a(4) =8612a(5) =13833a(6) =21653a(7) =31254a(8) =43655a(9) =57928a(10) =75822a(11) =96565a(12) =121226a(13) =148915a(14) =181429a(15) =218044a(16) =259877a(17) =306086a(18) =358516a(19) =416491a(20) =481176a(21) =551777a(22) =630187a(23) =715778a(24) =809763a(25) =911396a(26) =1022618a(27) =1142849a(28) =1273350a(29) =1413423

External references