19019632

Appears in sequences

• 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=45A246381
• Column 0 of triangular matrix A246381 = exp(L) where L(n,k) = C(2*n, 2*k+1)/2.at n=9A246382