A020293 - OEIS

%I #11 Aug 04 2015 07:17:07

%S 33,49,217,703,1519,2209,2245,6119,8371,11521,12403,14981,18721,29185,

%T 29891,31651,34241,36301,38503,41441,63139,64681,68129,76201,81499,

%U 82513,88831,93521,104653,105877,128143,145351,148289,151063,154633,188191

%N Strong pseudoprimes to base 67.

%H R. J. Mathar, <a href="/A020293/b020293.txt">Table of n, a(n) for n = 1..220</a>

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

%K nonn

%O 1,1

%A _David W. Wilson_