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Search: id:A002689
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| A002689 |
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Denominators of coefficients for repeated integration.
(Formerly M4072 N1687)
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+0
2
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| 1, 6, 8, 180, 32, 10080, 3456, 453600, 115200, 47900160, 71680, 217945728000, 36578304000, 2241727488000, 45984153600, 2000741783040000
(list; graph; listen)
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OFFSET
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0,2
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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).
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
H. E. Salzer, Table of coefficients for repeated integration with differences, Phil. Mag., 38 (1947), 331-336.
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FORMULA
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A002206(n)/n.
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CROSSREFS
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Sequence in context: A013235 A013236 A013242 this_sequence A000955 A027721 A078196
Adjacent sequences: A002686 A002687 A002688 this_sequence A002690 A002691 A002692
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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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