70691995domain: NAppears in sequencesProduct of all primes p such that 2n - p is also prime.at n=24A238711Product of all the parts in the Goldbach partitions (p,q) of 2n such that p + q = 2n, p <= q, and p,q prime (or 1 if no Goldbach partition of 2n exists).at n=25A337568