Number of (n+1)X(5+1) 0..1 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.

A250465

Number of (n+1)X(5+1) 0..1 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.

Terms

    a(0) =637a(1) =9651a(2) =135753a(3) =1920345a(4) =27076065a(5) =381830463a(6) =5383012776a(7) =75892576784

External references