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Search: id:A009486
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| A009486 |
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sin(sin(x)*sin(x)) = 2/2!*x^2-8/4!*x^4-88/6!*x^6+6592/8!*x^8... |
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+0
3
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| 0, 2, -8, -88, 6592, -251488, 4158592, 551599232, -94759774208, 9549823734272, -506903275563008, -67623197282080768, 30434079688615739392, -6806476994628810661888, 994937886379415577198592
(list; graph; listen)
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OFFSET
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0,2
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MATHEMATICA
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Sin[ Sin[ x ]^2 ] (* Even Part *)
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CROSSREFS
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Sequence in context: A054955 A012299 A012295 this_sequence A110384 A153887 A131349
Adjacent sequences: A009483 A009484 A009485 this_sequence A009487 A009488 A009489
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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)
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EXTENSIONS
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Extended with signs Mar 15 1997 by Olivier Gerard.
Edited by N. J. A. Sloane (njas(AT)research.att.com), May 31 2008 at the suggestion of R. J. Mathar
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