%I #2 Mar 31 2012 13:21:56
%S 1,1,2,2,2,3,3,3,3,3,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,6,6,6,6,6,6,
%T 6,6,6,6,6,6,6,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,8,8,8,8,8,8,8,8,8,8,
%U 8,8,8,8,8,8,8,8,8,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9
%N n appears prime(n) times.
%e a(10)=3 because the sequence opens with 2 1's, 3 2's and 5 3's.
%K nonn
%O 1,3
%A _Jon Perry_, Jun 05 2003