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A077988
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Expansion of 1/(1+2*x-2*x^3).
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0
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1, -2, 4, -6, 8, -8, 4, 8, -32, 72, -128, 192, -240, 224, -64, -352, 1152, -2432, 4160, -6016, 7168, -6016, 0, 14336, -40704, 81408, -134144, 186880, -210944, 153600, 66560, -555008, 1417216, -2701312, 4292608, -5750784, 6098944, -3612672, -4276224, 20750336, -48726016, 88899584
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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MATHEMATICA
| LinearRecurrence[{-2, 0, 2}, {1, -2, 4}, 60] (* From Vladimir Joseph Stephan Orlovsky, May 25 2011 *)
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CROSSREFS
| Cf. A000073, A001590, A000213, A135491.
Sequence in context: A196698 A021806 A077940 * A166880 A079088 A161661
Adjacent sequences: A077985 A077986 A077987 * A077989 A077990 A077991
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KEYWORD
| sign
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Nov 17 2002
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