%I #11 Aug 06 2015 07:54:55
%S 51,671,1891,2653,2705,4081,5151,7201,8911,9773,10349,12403,14491,
%T 15051,15861,20017,30889,37787,38503,44801,45907,56029,58969,61337,
%U 69721,76049,81317,83333,94657,115231,116713,117601,125857,126511,157873,163073
%N Strong pseudoprimes to base 52.
%H R. J. Mathar, <a href="/A020278/b020278.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_