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Search: id:A135466
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| A135466 |
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a(n) = (2*n-8)^2*2^(n-3). |
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+0
1
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| 8, 9, 8, 4, 0, 16, 128, 576, 2048, 6400, 18432, 50176, 131072, 331776, 819200, 1982464, 4718592, 11075584, 25690112, 58982400, 134217728, 303038464, 679477248, 1514143744, 3355443200, 7398752256, 16240345088, 35500589056, 77309411328, 167772160000
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OFFSET
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0,1
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REFERENCES
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Myerson, G. and van der Poorten, A. J., Some problems concerning recurrence sequences, Amer. Math. Monthly 102 (1995), no. 8, 698-705.
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FORMULA
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O.g.f.: -(8-39*x+50*x^2)/(-1+2*x)^3 . - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 08 2008
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CROSSREFS
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Sequence in context: A011463 A073637 A019738 this_sequence A019873 A011010 A019606
Adjacent sequences: A135463 A135464 A135465 this_sequence A135467 A135468 A135469
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KEYWORD
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nonn
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AUTHOR
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njas, Feb 07 2008
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