%I #11 Aug 06 2015 11:41:17
%S 91,133,247,289,427,793,1159,1729,1849,1891,2413,2701,2813,2821,4033,
%T 4681,5551,7957,8113,8911,9211,10261,11557,13741,15067,15191,20191,
%U 23221,29891,30121,37969,38503,49981,53131,62947,68953,85609,90751,100711
%N Strong pseudoprimes to base 75.
%H R. J. Mathar, <a href="/A020301/b020301.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_