%I #11 Aug 06 2015 10:48:36
%S 25,49,69,125,185,217,247,361,871,925,1273,1519,1771,2413,2725,4033,
%T 4625,4693,5713,11041,12403,12769,14981,15251,16549,21667,24187,26825,
%U 28221,31021,31621,44287,45847,47197,54901,55969,64681,66197,74665,79501,82325
%N Strong pseudoprimes to base 68.
%H R. J. Mathar, <a href="/A020294/b020294.txt">Table of n, a(n) for n = 1..300</a>
%H <a href="/index/Ps#pseudoprimes">Index entries for sequences related to pseudoprimes</a>
%K nonn
%O 1,1
%A _David W. Wilson_
