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

A253836

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

Terms

    a(0) =8392a(1) =17491a(2) =52014a(3) =127483a(4) =135280a(5) =201331a(6) =233370a(7) =230890a(8) =276234a(9) =303500a(10) =315082a(11) =363247a(12) =374050a(13) =400164a(14) =441848a(15) =473675a(16) =511892a(17) =560844a(18) =599058a(19) =645661a(20) =682754a(21) =733900a(22) =767934a(23) =814977a(24) =878516a(25) =924256a(26) =991794a(27) =1064491a(28) =1093772

External references