%I #13 Aug 11 2014 22:45:15
%S 65,85,221,341,703,721,1105,1891,2257,2465,5461,9361,9881,15769,19669,
%T 21953,25351,32131,52273,52417,61337,63139,64345,79003,85879,90751,
%U 94697,103105,104653,111361,115141,118561,119341,146611,160831,176689,188191
%N Strong pseudoprimes to base 47.
%H R. J. Mathar, <a href="/A020273/b020273.txt">Table of n, a(n) for n = 1..718</a>
%H <a href="/index/Ps#pseudoprimes">Index entries for sequences related to pseudoprimes</a>
%K nonn
%O 1,1
%A _David W. Wilson_