78315

Appears in sequences

• G.f.: 1 + Sum_{n>=1} a(n)*x^n/(1 - x^n) = Product_{n>=1} (1 + n*x^n).at n=24A300278
• Numbers k such that k![4] - 16 is prime, where k![4] = A007662(k) = quadruple factorial.at n=41A329166