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Search: id:A003710
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| A003710 |
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Expansion of cos(tan(x)).
(Formerly M4453)
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+0
2
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| 1, -1, -7, -97, -2063, -53409, -752343, 166831871, 43685848289, 9398558916159, 2116926930779225, 524586454143030495, 144620290378876829905, 44287070229737735633567, 14954349885478653319004041
(list; graph; listen)
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OFFSET
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0,3
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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).
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MATHEMATICA
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Cos[ Tan[ x ]] (* Even Part *)
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CROSSREFS
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Sequence in context: A022007 A058805 A132061 this_sequence A027837 A046908 A005014
Adjacent sequences: A003707 A003708 A003709 this_sequence A003711 A003712 A003713
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KEYWORD
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sign
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AUTHOR
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R. H. Hardin (rhhardin(AT)att.net), Simon Plouffe (simon.plouffe(AT)gmail.com)
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