Search: id:A006970
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%I A006970 M5442
%S A006970 341,561,1105,1729,1905,2047,2465,3277,4033,4681,5461,6601,8321,8481,
%T A006970 10261,10585,12801,15709,15841,16705,18705,25761,29341,30121,31621,
%U A006970 33153,34945,41041,42799
%N A006970 Euler pseudoprimes: 2^{(n-1)/2} == +- 1 mod n.
%D A006970 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A006970 R. K. Guy, Unsolved Problems in Number Theory, A12.
%H A006970 T. D. Noe, <a href="b006970.txt">Euler pseudoprimes up to 10^8; table 
               of n, a(n) for n = 1..1231</a>
%H A006970 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               EulerPseudoprime.html">Link to a section of The World of Mathematics.</
               a>
%H A006970 <a href="Sindx_Ps.html#pseudoprimes">Index entries for sequences related 
               to pseudoprimes</a>
%Y A006970 Sequence in context: A025353 A025345 A001567 this_sequence A007324 A007011 
               A064907
%Y A006970 Adjacent sequences: A006967 A006968 A006969 this_sequence A006971 A006972 
               A006973
%K A006970 nonn,nice
%O A006970 1,1
%A A006970 N. J. A. Sloane (njas(AT)research.att.com), Robert G. Wilson v (rgwv(AT)rgwv.com), 
               rgep(AT)chalcedon.demon.co.uk
%E A006970 Faron Moller (fm(AT)csd.uu.se) corrected the 15th entry to 10261 from 
               10241.

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