70263

Appears in sequences

• a(n) = (n + 1)*(4*n^2 + 14*n + 9)/3.at n=36A268484
• G.f. A(x) = Sum_{n>=0} a(n)*x^n satisfies A(x) = 1/(1 - x^a(1) - x^a(2)/(1 - x^a(3) - x^a(4)/(1 - x^a(5) - x^a(6)/(1 - ... )))), a continued fraction.at n=21A293855