Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal median nondecreasing horizontally and vertically.

A254891

Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal median nondecreasing horizontally and vertically.

Terms

    a(0) =123448a(1) =516726a(2) =2580056a(3) =15790369a(4) =42268052a(5) =112212755a(6) =285887828a(7) =618934541a(8) =1350494500a(9) =2846403490a(10) =5457308162a(11) =10176928711a(12) =18525837896a(13) =32797197834a(14) =57814835454a(15) =101333055480a(16) =176155226758a(17) =306747409603a(18) =534337638068

External references