%I
%S 5,3,2,31,19,431,3457,24907963,250198320553451,
%T 164072502171958410481596412086571,
%U 15268641997545743809809010755124846521575738536063
%N EuclidMullin sequence: a(1) = 5, a(n+1) is largest prime factor of Product_{k=1..n} a(k) + 1.
%C This is similar to A000946 but starting a(1) = 5.
%H Ben Meekins, <a href="/A262225/b262225.txt">Table of n, a(n) for n = 1..12</a>
%t a = {5}; Do[AppendTo[a, FactorInteger[Product[a[[k]], {k, n  1}] + 1][[1, 1]]], {n, 2, 11}]; a (* _Michael De Vlieger_, Sep 15 2015 *)
%Y Cf. A000946.
%K nonn
%O 1,1
%A _Ben Meekins_, Sep 15 2015
