49310

Appears in sequences

• Number of -n..n arrays x(0..3) of 4 elements with zero sum and nonzero first and second differences.at n=20A200456
• Number of (n+1)X(5+1) 0..2 arrays with nondecreasing 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.at n=1A250629
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with nondecreasing 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.at n=16A250632
• Number of (2+1)X(n+1) 0..2 arrays with nondecreasing 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.at n=4A250634
• G.f. satisfies A(x) = 1 + x / (1 + x*A(x))^5.at n=10A365112