1079990819domain: NAppears in sequencesEuclid-Mullin sequence: a(1) = 2, a(n+1) is smallest prime factor of 1 + Product_{k=1..n} a(k).at n=29A000945Euclid-Mullin sequence (A000945) with initial value a(1)=43 instead of a(1)=2.at n=29A051318