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

A254020

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

Terms

    a(0) =512a(1) =2540a(2) =2540a(3) =9560a(4) =7212a(5) =9560a(6) =35272a(7) =23295a(8) =26370a(9) =35272a(10) =123448a(11) =81959a(12) =89310a(13) =98002a(14) =123448a(15) =404672a(16) =261188a(17) =301423a(18) =313324a(19) =279743a(20) =404672a(21) =1267488a(22) =806538a(23) =832322a(24) =1016249a(25) =642050a(26) =774662a(27) =1267488a(28) =3838248a(29) =2368198

External references