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Search: id:A003717
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| A003717 |
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Expansion of sin(tanh(x)).
(Formerly M3143)
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+0
3
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| 1, -3, 37, -959, 41641, -2693691, 241586893, -28607094455, 4315903789009, -807258131578995, 183184249105857781, -49548882107764546223, 15742588857552887269753, -5802682207845642276301995
(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).
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MATHEMATICA
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Sin[ Tanh[ x ] ] (* Odd Part *)
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CROSSREFS
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Sequence in context: A155667 A143639 A143412 this_sequence A003716 A051396 A113074
Adjacent sequences: A003714 A003715 A003716 this_sequence A003718 A003719 A003720
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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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