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Search: id:A099252
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| 0, 1, 6, 36, 232, 1585, 11298, 83097, 625992, 4805595, 37458330, 295673994, 2358641376, 18985057351, 154000562758, 1257643249140, 10331450919456, 85317692667643, 707854577312178, 5897493615536452, 49320944483427000
(list; graph; listen)
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OFFSET
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0,3
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MAPLE
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G:=(1+x-sqrt(1-2*x-3*x^2))/(2*x*(1+x)): Gser:=series(G, x=0, 60): seq(coeff(Gser, x^(2*n-1)), n=1..25); (Deutsch)
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CROSSREFS
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Sequence in context: A085687 A129327 A144819 this_sequence A057395 A066053 A153824
Adjacent sequences: A099249 A099250 A099251 this_sequence A099253 A099254 A099255
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Nov 16 2004
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EXTENSIONS
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More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Nov 18 2004
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