%I #16 Apr 25 2016 11:45:27
%S 85,1099,5149,7107,8911,9637,13019,14491,17803,19757,20881,22177,
%T 23521,26521,35371,44173,45629,54097,56033,57205,75241,83333,85285,
%U 86347,102719,110309,153401,184339,191959,222529,242845,253021,253927,269861
%N Strong pseudoprimes to base 13.
%H R. J. Mathar, <a href="/A020239/b020239.txt">Table of n, a(n) for n = 1..668</a>
%H <a href="/index/Ps#pseudoprimes">Index entries for sequences related to pseudoprimes</a>
%o (PARI) /* insert A001262 code here */
%o isA020239(n)={
%o isStrongPsp(n,13)
%o }
%o {
%o for(n=1,10000000000, if(isA020239(n), print(n) ;) ;) ;
%o } /* _R. J. Mathar_, Mar 07 2012 */
%K nonn
%O 1,1
%A _David W. Wilson_