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Search: id:A004059
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| A004059 |
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A density problem involving linear forms.
(Formerly M0949)
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+0
2
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| 1, 2, 4, 5, 6, 8, 9, 11, 13, 14, 15, 17, 18, 20, 22, 23, 24, 26, 28, 29, 31, 32, 34, 35, 36
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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a(n) gives position of first n in A057561.
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
R. L. Graham et al., On extremal density theorems for linear forms, pp. 103-109 of H. Zassenhaus, editor, Number Theory and Algebra. Academic Press, NY, 1977.
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LINKS
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S. R. Finch, Triple-Free Sets of Integers
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CROSSREFS
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Cf. A057561, A094708.
Sequence in context: A000062 A047317 A099797 this_sequence A161793 A048262 A030326
Adjacent sequences: A004056 A004057 A004058 this_sequence A004060 A004061 A004062
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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Edited by S. R. Finch (Steven.Finch(AT)inria.fr), Feb 25 2009
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