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Search: id:A143968
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| A143968 |
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Denominators of numbers with g.f. exp(1-(1-x)^(1/2)). |
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+0
4
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| 1, 2, 4, 48, 384, 1920, 46080, 645120, 5160960, 185794560, 530841600, 40874803200, 280284364800, 51011754393600, 714164561510400, 42849873690624000, 1371195958099968000, 302731575164928000, 1678343852714360832000, 100120983364435968000, 1275541328062914232320000
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OFFSET
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0,2
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EXAMPLE
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1, 1/2, 1/4, 7/48, 37/384, 133/1920, 2431/46080, 27007/645120, 176761/5160960, ...
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CROSSREFS
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Cf. A143991, A001515.
Sequence in context: A088301 A144580 A144578 this_sequence A097424 A032019 A156498
Adjacent sequences: A143965 A143966 A143967 this_sequence A143969 A143970 A143971
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KEYWORD
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nonn,frac
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Dec 02 2008
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