A253591 - OEIS

%I #5 Jan 05 2015 03:08:17

%S 2,3,3,3,3,5,7,7,7,7,7,7,7,7,7,7,7,7,11,13,13,13,13,13,13,13,17,17,17,

%T 17,17,17,17,17,17,17,17,17,17,19,19,19,19,19,19,19,19,23,23,23,23,23,

%U 23,23,23,23,23,29,31,31,31,31,31,31,31,31,31,31

%N a(n) is the largest prime occurring (as a factor) in all terms up to A098550(n).

%Y Cf. A098550, A253593

%K nonn,easy

%O 2,1

%A _Bob Selcoe_, Jan 04 2015