118829domain: NAppears in sequencesa(0)=a(1)=a(2) = 1. a(n) = (a(n-1) +a(n-2)) /GCD(a(n-1)+a(n-2),a(n-3)), for n >= 3.at n=40A123274a(n) is the product of the least prime > n^2 and the greatest prime < (n+1)^2.at n=17A132657Sequence of pairwise relatively prime numbers of class P_8 (see comment in A275246).at n=33A275253