67155

Appears in sequences

• G.f.: x^2/((1-x^2)^2*Product_{i>0}(1-x^i)).at n=33A103650
• a(n) = 49*n^2 + 2*n.at n=36A157365
• G.f. A(x) satisfies: A(x) = x * (1 + A(x))^5 / (1 - 5 * A(x)).at n=5A366037