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%I #2 Mar 30 2012 18:52:40
%S 2,1,1,0,2,0,2,0,1,0,2,0,0,1,0,2,1,0,1,0,0,2,0,1,2,0,1,1,0,0,1,0,0,0,
%T 3,2,1,0,0,0,0,0,1,1,0,2,0,0,0,0,2,1,0,0,1,1,1,0,2,0,0,2,2,0,0,0,0,0,
%U 1,0,0,0,0,0,0,1,3,0,2,0,1,0,1,0,1,0,2,1,2,0,0,1,0,0,0,0,0,0,1,2,1,0,0,0,0
%N Number of primes between two consecutive nonprimes in A037143.
%C Two together with number of primes between successive semiprimes.
%F a(n+1)=A088700(n).
%e a(1)=2 because A037143(1)=1(nonprime) < A037143(2)=2(prime) < A037143(3)=3(prime) < A037143(4)=4(nonprime).
%K nonn
%O 1,1
%A _Juri-Stepan Gerasimov_, Apr 18 2010
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