%I #11 Aug 04 2015 07:19:28
%S 9,65,205,259,533,1441,1921,2665,3439,5257,15457,23281,24617,26797,
%T 27787,28939,34219,39481,44671,45629,64681,67069,76429,79501,93521,
%U 102173,105877,109861,113401,121537,128627,181579,191959,194509,196093,213851
%N Strong pseudoprimes to base 73.
%H R. J. Mathar, <a href="/A020299/b020299.txt">Table of n, a(n) for n = 1..200</a>
%H <a href="/index/Ps#pseudoprimes">Index entries for sequences related to pseudoprimes</a>
%K nonn
%O 1,1
%A _David W. Wilson_