Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

A253840

Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

Terms

    a(0) =709704a(1) =697720a(2) =1364704a(3) =2282367a(4) =350208a(5) =427510a(6) =262418a(7) =145955a(8) =159924a(9) =165378a(10) =151496a(11) =166465a(12) =184418a(13) =173844a(14) =187098a(15) =210280a(16) =195700a(17) =212600a(18) =237946a(19) =221027a(20) =242064a(21) =271568a(22) =250134a(23) =276274a(24) =302350a(25) =286349a(26) =315658a(27) =340910a(28) =325612a(29) =359818

External references