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A020249 Strong pseudoprimes to base 23. 2


%S 169,265,553,1271,2701,4033,4371,4681,6533,6541,7957,8321,8651,8911,

%T 9805,14981,18721,25201,31861,34133,44173,47611,47783,50737,57401,

%U 62849,82513,96049,109061,113737,140807,153181,163933,177193,182071,210493,210799

%N Strong pseudoprimes to base 23.

%H R. J. Mathar, <a href="/A020249/b020249.txt">Table of n, a(n) for n = 1..686</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 October 21 16:36 EDT 2021. Contains 348155 sequences. (Running on oeis4.)