%I A020307
%S A020307 91,121,511,671,703,949,1387,1541,1729,1891,2701,2821,3281,3367,3751,
%T A020307 5551,6643,7381,8401,8695,8911,10585,11011,12403,12991,14383,15203,15251,
%U A020307 15841,15863,16471,16531,18721,19345,23521,24661,24727,26335,28009,29341
%N A020307 Strong pseudoprimes to base 81.
%H A020307 <a href="Sindx_Ps.html#pseudoprimes">Index entries for sequences related 
               to pseudoprimes</a>
%Y A020307 Sequence in context: A157345 A092125 A005935 this_sequence A020235 A046427 
               A020238
%Y A020307 Adjacent sequences: A020304 A020305 A020306 this_sequence A020308 A020309 
               A020310
%K A020307 nonn
%O A020307 1,1
%A A020307 David W. Wilson (davidwwilson(AT)comcast.net)