63963

Appears in sequences

• Engel expansion of Sum_{k>=0} 1/(6 + k)^k.at n=13A063189
• a(n) = 121*n^2 - 2*n.at n=22A157040
• E.g.f. A(x) satisfies: A( Integral 1/A(x)^2 dx ) = exp(x).at n=6A233336