%I #13 Aug 11 2014 22:45:15

%S 169,265,553,1271,2701,4033,4371,4681,6533,6541,7957,8321,8651,8911,

%T 9805,14981,18721,25201,31861,34133,44173,47611,47783,50737,57401,

%U 62849,82513,96049,109061,113737,140807,153181,163933,177193,182071,210493,210799

%N Strong pseudoprimes to base 23.

%H R. J. Mathar, <a href="/A020249/b020249.txt">Table of n, a(n) for n = 1..686</a>

%H <a href="/index/Ps#pseudoprimes">Index entries for sequences related to pseudoprimes</a>

%K nonn

%O 1,1

%A _David W. Wilson_