Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

A254558

Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

Terms

    a(0) =586508a(1) =1412248a(2) =3475823a(3) =9912158a(4) =22791266a(5) =64180262a(6) =174169154a(7) =449672470a(8) =1181178372a(9) =3178180769a(10) =8577622338a(11) =23374338451a(12) =63619374492a(13) =172838948499a(14) =469793624214

External references