%I #11 Aug 06 2015 11:08:21
%S 69,169,341,377,671,949,1891,3053,4901,6001,9301,9361,12209,12337,
%T 12881,15251,18829,19951,20801,24727,31417,31609,32131,36301,38503,
%U 38963,40501,47197,48133,56033,58969,60551,61309,68017,71149,71431,94657,96139
%N Strong pseudoprimes to base 70.
%H R. J. Mathar, <a href="/A020296/b020296.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_