1601496

Appears in sequences

• a(n) = (5*n + 1)*(5*n + 2)*(5*n + 3).at n=23A001509
• G.f. satisfies: A(x) = Product_{n>=0} (1 + x^(n+1)*A(x)^(2*n))/(1 - x^(n+1)*A(x)^(2*n)).at n=10A192623