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Strong pseudoprimes to base 6.
9

%I #19 Nov 06 2019 12:39:07

%S 217,481,1111,1261,2701,3589,5713,6533,11041,14701,20017,29341,34441,

%T 39493,43621,46657,46873,49141,49661,58969,74023,74563,76921,83333,

%U 87061,92053,94657,94697,97751,97921,109061,115921,125563,128627,151387,173377

%N Strong pseudoprimes to base 6.

%H Amiram Eldar, <a href="/A020232/b020232.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..210 from R. J. Mathar)

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/StrongPseudoprime.html">Strong Pseudoprime</a>

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

%Y Cf. A005937, A001262, A020229, A020230, A020231.

%K nonn

%O 1,1

%A _David W. Wilson_