597489

Appears in sequences

• Number of (n+1) X 5 0..1 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.at n=32A204647
• G.f. A(x) satisfies: A(x) = P(x)/Q(x) where P(x) = Sum_{n>=0} (n+1)*x^n/(1 - x*A(x)^n) and Q(x) = Sum_{n>=0} x^n/(1 - x*A(x)^n).at n=13A341342