Search: id:A068216
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%I A068216
%S A068216 341,1105,10261,101101,1004653,10004681,100017223,1001152801,
%T A068216 10000321321,100004790097,1000001376901,10000130243671,100000105970311,
%U A068216 1000000191735161,10000006286491369,100000010102756401,1000000114865704261,
               10000000494514450733
%N A068216 Smallest n-digit pseudoprimes (in base 2).
%H A068216 P. De Geest, <a href="http://www.worldofnumbers.com/em125.htm">Smallest 
               n-digit pseudoprimes (base 2)</a>
%H A068216 <a href="Sindx_Ps.html#pseudoprimes">Index entries for sequences related 
               to pseudoprimes</a>
%Y A068216 Cf. A001567, A067845, A001262, A062568, A062852.
%Y A068216 Sequence in context: A087835 A066488 A083876 this_sequence A038473 A050217 
               A086837
%Y A068216 Adjacent sequences: A068213 A068214 A068215 this_sequence A068217 A068218 
               A068219
%K A068216 nonn
%O A068216 1,1
%A A068216 Patrick De Geest (pdg(AT)worldofnumbers.com) and Shyam Sunder Gupta (guptass(AT)rediffmail.com), 
               Feb 21 2002.
%E A068216 One more term from Farideh Firoozbakht (mymontain(AT)yahoo.com), Jan 
               10 2007
%E A068216 More terms from Jens Kruse Andersen (jens.k.a(AT)get2net.dk), May 11 
               2008

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