2937876480domain: NAppears in sequencesa(n) = (n-p_1)(n-p_2)...(n-p_k) where p_k is the k-th prime and is also the largest prime < n.at n=24A080497Expansion of e.g.f. 1/(1 + LambertW(x^3 * log(1-x))).at n=12A391377