A251103 - OEIS

%I #4 Nov 30 2014 16:50:36

%S 1,2,3,2,3,2,5,7,5,3,5,3,7,2,7,5,7,5,3,11,13,11,13,11,13,5,7,17,2,17,

%T 3,17,3,11,17,13,3,13,5,7,19,7,19,7,19,11,19,5,23,5,23,3,23,13,5,23,3,

%U 7,29,31,29,31,29,31,2,11,17,11,3,17,5,19,11,23

%N Largest prime factor of A098550(n).

%C  a(n) = A006530(A098550(n)).

%H Reinhard Zumkeller, <a href="/A251103/b251103.txt">Table of n, a(n) for n = 1..10000</a>

%o (Haskell)

%o a251103 = a006530 . fromIntegral . a098550

%Y Cf. A006530, A098548, A251101, A251104.

%K nonn

%O 1,2

%A _Reinhard Zumkeller_, Nov 30 2014