%I #2 Mar 31 2012 14:39:55
%S 2,3,5,7,2,3,5,7,5,7,11,13,11,13,17,17,19,23,5
%N Primes arising in A139749.
%K base,easy,nonn,less
%O 1,1
%A _Ctibor O. Zizka_, May 19 2008
