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Search: id:A027784
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| 55, 726, 5148, 26026, 105105, 360360, 1089088, 2975544, 7482618, 17551820, 38798760, 81477396, 163601438, 315762216, 588376800, 1062347000, 1864418985, 3188915730, 5327982660, 8713054350, 13970931975
(list; graph; listen)
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OFFSET
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0,1
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FORMULA
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Number of 14-subsequences of [ 1, n ] with just 2 contiguous pairs; g.f. 11*(5+x)/(1-x)^
C(n+10, n)*C(n+11, 2) - Zerinvary Lajos (zlaja(AT)freemail.hu), Apr 28 2005
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CROSSREFS
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Sequence in context: A119226 A132155 A053138 this_sequence A008402 A134291 A017771
Adjacent sequences: A027781 A027782 A027783 this_sequence A027785 A027786 A027787
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KEYWORD
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nonn
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AUTHOR
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thi ngoc dinh (via rkg(AT)cpsc.ucalgary.ca)
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