6036632

Appears in sequences

• G.f. A(x,y) satisfies: A( x - y*A(x,y)^2, y) = x + (1-y)*A(x,y)^2, where the coefficients T(n,k) of x^n*y^k form a triangle read by rows n>=1, for k=0..n-1.at n=49A277295
• Central terms of triangle A277295 in even-indexed rows; a(n) = A277295(2*n,n-1).at n=4A277299