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Strong pseudoprimes to base 50.
1

%I #11 Aug 06 2015 07:51:48

%S 49,51,561,793,817,2041,2501,2701,8041,9073,9577,12801,15457,17857,

%T 19951,22793,24727,29341,30857,39793,40321,57889,61337,79081,80137,

%U 93961,97921,107537,113257,124501,124999,132193,147109,153401,165413,178709,181351

%N Strong pseudoprimes to base 50.

%H R. J. Mathar, <a href="/A020276/b020276.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_