Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally and vertically.

A254240

Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally and vertically.

Terms

    a(0) =514920a(1) =2228050a(2) =13376848a(3) =80104299a(4) =249684274a(5) =940766774a(6) =3047978749a(7) =8696762202a(8) =26336306288a(9) =78716251434a(10) =225295831770a(11) =651870318928

External references