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A020267 Strong pseudoprimes to base 41. 1


%S 21,231,671,703,841,1281,1387,1417,2701,3829,8321,8911,10933,13019,

%T 14091,20591,21667,25909,43213,43273,45221,45449,47197,48133,51319,

%U 60551,74089,76861,79381,80137,84941,86331,91669,106491,109981,110293,111361,113401

%N Strong pseudoprimes to base 41.

%H R. J. Mathar, <a href="/A020267/b020267.txt">Table of n, a(n) for n = 1..747</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 September 19 21:34 EDT 2020. Contains 337184 sequences. (Running on oeis4.)