%I
%S 1,3,5,8,11,10,17,14,15,16,31,20,41,22,24,25,59,27,67,30,32,33,83,35,
%T 36,38,39,40,109,44,127,46,48,49,50,51,157,54,55,56,479,58,191,62,63,
%U 64,211,66,68,69,70,72,241,75,76,77,78,80,277,82,283,85,86,87,88,90,331,92
%N Numbers a(n) such that if n is prime, a(n) is the nth prime number and if n is not prime, a(n) is the nth nonprime number (A002808).
%e a(1) is the first nonprime: 1.
%e a(2) is the second prime: 3.
%K nonn
%O 1,2
%A Luc Stevens (lms022(AT)yahoo.com), Apr 11 2006
%E Definition corrected by _Michel Marcus_, Jun 01 2013
