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Search: id:A133348
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| A133348 |
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Dimensions of certain Lie algebra (see reference for precise definition). |
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1
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| 1, 32, 462, 4224, 28314, 151008, 674817, 2617472, 9038458, 28316288, 81662152, 219288576, 553361016, 1322057088, 3009057018, 6558440064, 13748813155, 27825992480, 54545269350, 103848201600, 192502703250, 348178802400, 615628210275, 1065899278080, 1809869155380
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OFFSET
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0,2
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REFERENCES
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J. M. Landsberg and L. Manivel, The sextonions and E7 1/2, Adv. Math. 201 (2006), 143-179. [Th. 7.2(ii), case a=4]
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MAPLE
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b:=binomial; t72b:= proc(a, k) ((a+k+1)/(a+1)) * b(k+2*a+1, k)*b(k+3*a/2+1, k)/(b(k+a/2, k)); end; [seq(t72b(4, k), k=0..28)];
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CROSSREFS
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Sequence in context: A135217 A066580 A076070 this_sequence A010837 A022724 A125467
Adjacent sequences: A133345 A133346 A133347 this_sequence A133349 A133350 A133351
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KEYWORD
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nonn
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AUTHOR
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njas, Oct 20 2007
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