Search: id:A006931
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%I A006931 M5463
%S A006931 561,41041,825265,321197185,5394826801,232250619601,9746347772161,
%T A006931 1436697831295441,60977817398996785,7156857700403137441,
%U A006931 1791562810662585767521,87674969936234821377601
%N A006931 Least Carmichael number with n prime factors.
%D A006931 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A006931 J.-P. Delahaye, Merveilleux nombres premiers ("Amazing primes"), p. 269, 
               Pour la Science, Paris 2000.
%D A006931 R. G. E. Pinch, The Carmichael numbers up to 10^15. Math. Comp. 61 (1993), 
               no. 203, 381-391.
%H A006931 David W. Wilson, <a href="b006931.txt">Table of n, a(n) for n = 3..35</
               a>
%H A006931 R. G. E. Pinch, <a href="http://arXiv.org/abs/math.NT/0504119">The Carmichael 
               numbers up to 10^17</a>
%H A006931 R. G. E. Pinch, <a href="http://arXiv.org/abs/math/0604376">The Carmichael 
               numbers up to 10^18</a>
%H A006931 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               CarmichaelNumber.html">Link to a section of The World of Mathematics.</
               a>
%H A006931 <a href="Sindx_Ca.html#Carmichael">Index entries for sequences related 
               to Carmichael numbers.</a>
%Y A006931 Cf. A002997, A135717, A135719, A135720, A135721.
%Y A006931 Sequence in context: A063400 A141706 A083736 this_sequence A097061 A139089 
               A121508
%Y A006931 Adjacent sequences: A006928 A006929 A006930 this_sequence A006932 A006933 
               A006934
%K A006931 nonn
%O A006931 3,1
%A A006931 N. J. A. Sloane (njas(AT)research.att.com) and Richard Pinch (rgep(AT)chalcedon.demon.co.uk)
%E A006931 Corrected by Lekraj Beedassy (blekraj(AT)yahoo.com), Dec 31 2002
%E A006931 More terms from R. Stephan, from the Pinch paper, Apr 16 2005
%E A006931 Edited by N. J. A. Sloane (njas(AT)research.att.com), May 16 2008 at 
               the suggestion of R. J. Mathar.

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