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Search: id:A055553
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| 0, 0, 1, 7, 16, 43, 105, 255, 646, 1547, 3605, 8241, 19279, 44706, 105212, 246683, 585355, 1401644, 3381806, 8220777, 20138200
(list; graph; listen)
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OFFSET
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1,4
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REFERENCES
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Richard Pinch, Carmichael Numbers up to 10^20, ANTS 7.
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LINKS
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R. G. E. Pinch, The Carmichael numbers up to 10^17
R. G. E. Pinch, The Carmichael numbers up to 10^{17}, April 2005.
R. G. E. Pinch, The Carmichael numbers up to 10^18
R. G. E. Pinch, Carmichael numbers up to 10^18, April 2006.
R. G. E. Pinch, "The Carmichael numbers up to 10^21", Proceedings of Conference on Algorithmic Number Theory 2007 [From Charles R Greathouse IV Feb 01 2009]
R. G. E. Pinch, ANTS 7 Posters
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
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CROSSREFS
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Cf. A002997.
Adjacent sequences: A055550 A055551 A055552 this_sequence A055554 A055555 A055556
Sequence in context: A036834 A020941 A024625 this_sequence A066009 A037241 A154141
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KEYWORD
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nonn
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com)
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EXTENSIONS
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Updates from Finch's articles sent by Charles R. Greathouse IV, Dec 04 2005, Jul 16 2006, May 29 2007
a(21) from Richard Pinch's paper - Charles R Greathouse IV Feb 01 2009
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