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Search: id:A009337
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| A009337 |
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Expansion of ln(1+sin(x))/exp(x). |
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+0
2
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| 0, 1, -3, 7, -16, 40, -117, 411, -1720, 8384, -46561, 289595, -1991504, 14993108, -122595085, 1081616659, -10239597968, 103522029312, -1113074512289, 12681693805203, -152613117638712, 1934275341388596, -25753344727083773
(list; graph; listen)
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OFFSET
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0,3
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COMMENT
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This sequence starting with the 2nd term, unsigned, is the partial sums of A000667. - Gerald McGarvey (Gerald.McGarvey(AT)comcast.net), Aug 13 2004
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MATHEMATICA
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Log[ 1+Sin[ x ] ]/Exp[ x ]
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CROSSREFS
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Cf. A000667.
Sequence in context: A103030 A001698 A029761 this_sequence A036567 A018023 A058300
Adjacent sequences: A009334 A009335 A009336 this_sequence A009338 A009339 A009340
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KEYWORD
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sign,easy
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AUTHOR
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R. H. Hardin (rhh(AT)cadence.com)
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EXTENSIONS
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Extended with signs Mar 15 1997 by Olivier Gerard.
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