810268

Appears in sequences

• Number of nX2 0..2 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=19A200771
• Triangular matrix T defined by T = exp(L) where L(n,k) = C(2*n, 2*k+1)/2, as read by rows n >= 0, k=0..n.at n=38A246381
• Column 2 of triangular matrix A246381 = exp(L) where L(n,k) = C(2*n, 2*k+1)/2.at n=6A246384