-16916

Appears in sequences

• Square table, read by antidiagonals, of coefficients of x^k in the n-th self-composition of the g.f. of A120009, so that: T(n,k) = [x^k] { (x-x^2) o x/(1-n*x) o (1-sqrt(1-4*x))/2 } for n>=1, k>=1.at n=53A120013
• Expansion of (sqrt(1-4x)-x)/(1-4x).at n=9A127275