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Strong pseudoprimes to base 60.
1

%I #11 Aug 06 2015 09:12:06

%S 481,841,1891,3133,3277,3601,3661,4577,4777,6533,8917,10249,11521,

%T 18889,21361,23479,29539,29891,46121,46561,50251,53761,62641,66757,

%U 75241,79381,95033,95951,98671,98881,109771,111361,115921,131539,132239,133237

%N Strong pseudoprimes to base 60.

%H R. J. Mathar, <a href="/A020286/b020286.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_