%I A020231
%S A020231 781,1541,5461,5611,7813,13021,14981,15751,24211,25351,29539,38081,40501,
%T A020231 44801,53971,79381,100651,102311,104721,112141,121463,133141,141361,
%U A020231 146611,195313,211951,216457,222301,251521,289081,290629,298271,315121
%N A020231 Strong pseudoprimes to base 5.
%H A020231 <a href="Sindx_Ps.html#pseudoprimes">Index entries for sequences related 
               to pseudoprimes</a>
%H A020231 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               StrongPseudoprime.html">Strong Pseudoprime</a>
%Y A020231 Sequence in context: A135198 A139400 A115467 this_sequence A038477 A141390 
               A006113
%Y A020231 Adjacent sequences: A020228 A020229 A020230 this_sequence A020232 A020233 
               A020234
%K A020231 nonn
%O A020231 1,1
%A A020231 David W. Wilson (davidwwilson(AT)comcast.net)