Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum.

A256770

Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum.

Terms

    a(0) =3502080a(1) =46785600a(2) =277704000a(3) =1648360000a(4) =7138454400a(5) =30914078976a(6) =117202871808a(7) =444344894464

External references