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n appears prime(n) times.
3

%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