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Strong pseudoprimes to base 25.
1

%I #11 Aug 04 2015 16:06:23

%S 217,781,1541,1891,4123,5461,5611,5731,7813,8911,11041,13021,13333,

%T 14981,15751,16297,17767,22791,23653,24211,25327,25351,29539,35371,

%U 36991,38081,40501,42127,44173,44801,47641,48133,53083,53971,58807,68251,79381,88831

%N Strong pseudoprimes to base 25.

%H R. J. Mathar, <a href="/A020251/b020251.txt">Table of n, a(n) for n = 1..299</a>

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

%K nonn

%O 1,1

%A _David W. Wilson_