1245404160

Appears in sequences

• a(n) = (n+5)! / 5.at n=8A129923
• Write 1 + sin x = Product_{n>=1} (1 + g_n * x^n); a(n) = denominator(g_n).at n=12A170915
• Number of 9-ary heaps on n elements.at n=14A273696
• Write 1/(1 + sin x) = Product_{n>=1} (1 + f_n x^n); a(n) = denominator(f_n).at n=12A328186
• E.g.f. A(x) satisfies A(x) = 1 - x^3*A(x)^5 * log(1 - x^2*A(x)^2).at n=13A392935