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

A253983

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

Terms

    a(0) =5659548a(1) =642845877a(2) =75620185999

External references