%I #11 Aug 04 2015 06:09:51
%S 1687,3277,6541,14041,14701,15409,25313,31021,47461,49241,50401,54241,
%T 58969,60691,82733,88831,97921,112141,115669,156311,181901,186497,
%U 191959,194221,219781,227767,293281,294079,323041,416641,432821,470851,514447
%N Strong pseudoprimes to base 15.
%H R. J. Mathar, <a href="/A020241/b020241.txt">Table of n, a(n) for n = 1..216</a>
%H <a href="/index/Ps#pseudoprimes">Index entries for sequences related to pseudoprimes</a>
%K nonn
%O 1,1
%A _David W. Wilson_