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A006931
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Least Carmichael number with n prime factors.
(Formerly M5463)
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9
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561, 41041, 825265, 321197185, 5394826801, 232250619601, 9746347772161, 1436697831295441, 60977817398996785, 7156857700403137441, 1791562810662585767521, 87674969936234821377601
(list; graph; refs; listen; history; internal format)
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OFFSET
| 3,1
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REFERENCES
| J.-P. Delahaye, Merveilleux nombres premiers ("Amazing primes"), p. 269, Pour la Science, Paris 2000.
R. G. E. Pinch, The Carmichael numbers up to 10^15. Math. Comp. 61 (1993), no. 203, 381-391.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
| David W. Wilson, Table of n, a(n) for n = 3..35
R. G. E. Pinch, The Carmichael numbers up to 10^17
R. G. E. Pinch, The Carmichael numbers up to 10^18
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
Index entries for sequences related to Carmichael numbers.
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CROSSREFS
| Cf. A002997, A135717, A135719, A135720, A135721.
Sequence in context: A063400 A141706 A083736 * A097061 A139089 A202562
Adjacent sequences: A006928 A006929 A006930 * A006932 A006933 A006934
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com) and Richard Pinch (rgep(AT)chalcedon.demon.co.uk)
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EXTENSIONS
| Corrected by Lekraj Beedassy (blekraj(AT)yahoo.com), Dec 31 2002
More terms from R. Stephan, from the Pinch paper, Apr 16 2005
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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