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A020265 Strong pseudoprimes to base 39. 1


%S 133,1561,2047,3053,3439,4141,4237,5921,6533,8149,8911,12431,16589,

%T 20567,22681,23521,29659,31021,31201,38503,48391,49051,50737,53971,

%U 58213,58769,61579,76591,76861,79381,84169,94657,114017,117157,119341,132193,136681

%N Strong pseudoprimes to base 39.

%H R. J. Mathar, <a href="/A020265/b020265.txt">Table of n, a(n) for n = 1..714</a>

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

%K nonn

%O 1,1

%A _David W. Wilson_

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Last modified August 7 12:19 EDT 2020. Contains 336276 sequences. (Running on oeis4.)