485254

Appears in sequences

• a(n) = Sum_{i=1..n} i^2*t(i), where t = A000217.at n=20A086689
• G.f. A(x) satisfies: [x^n] A(x)^(n+1) = [x^n] (1 + x*A(x)^n)^(n+1) for n>=0.at n=7A302702