%I A105555
%S A105555 2,3,3,5,3,7,3,7,5,7,3,13,3,7,7,11,3,13,3,13,7,7,3,19,5,7,7,13,3,19,3,
%T A105555 13,7,7,7,23,3,7,7,19,3,19,3,13,13,7,3,29,5,13,7,13,3,19,7,19,7,7,3,37,
%U A105555 3,7,13,17,7,19,3,13,7,19,3,37,3,7,13,13,7,19,3,29,11,7,3,37,7,7,7,19,
               3
%N A105555 Let d = number of divisors of n; a(n) = d-th prime.
%e A105555 n = 6 has 4 divisors, prime(4) = 7, so a(6) = 7.
%o A105555 (PARI) d(n) = for(x=1,n,print1(prime(numdiv(x))","))
%Y A105555 Sequence in context: A140187 A111607 A117531 this_sequence A066858 A152864 
               A152984
%Y A105555 Adjacent sequences: A105552 A105553 A105554 this_sequence A105556 A105557 
               A105558
%K A105555 easy,nonn
%O A105555 1,1
%A A105555 Cino Hilliard (hillcino368(AT)gmail.com), May 03 2005