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%I #3 Mar 30 2012 18:52:39
%S 0,0,2,3,4,4,4,5,6,6,6,7,8,8,8,9,9,9,9,9,10,11,11,11,11,11,12,12,12,
%T 13,14,14,14,15,15,15,15,15,16,16,16,16,16,17,18,18,18,18,18,19,19,19,
%U 20,21,21,21,21,21,22,22,22,23,23,23,23,23,24,24,24,24,24,24,24,25,25,25
%N (n-th nonnegative nonprime) minus (n-1).
%C Zero together with (natural nonprimes minus n).
%F a(n)=A141468(n)-A001477(n-1). [corrected _R. J. Mathar_, Apr 25 2010]
%Y Cf. A001477, A073425, A141468.
%K nonn
%O 1,3
%A _Juri-Stepan Gerasimov_, Feb 09 2010
%E Formula index corrected by _R. J. Mathar_, Apr 24 2010