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Search: id:A002299
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| 1, 21, 126, 462, 1287, 3003, 6188, 11628, 20349, 33649, 53130, 80730, 118755, 169911, 237336, 324632, 435897, 575757, 749398, 962598, 1221759, 1533939, 1906884, 2349060, 2869685, 3478761, 4187106
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OFFSET
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0,2
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COMMENT
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Number of standard tableaux of shape (2n+1,1^5). - Emeric Deutsch (deutsch(AT)duke.poly.edu), May 30 2004
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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(i), case a=1]
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LINKS
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Milan Janjic, Two Enumerative Functions
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FORMULA
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G.f. (1+15*x+15*x^2+x^3)/(1-x)^6 = (1+x)*(x^2+14*x+1)/(1-x)^6
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CROSSREFS
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a(n)=A000389(2*n+5).
Cf. A000389, A053127.
Sequence in context: A044734 A117388 A053052 this_sequence A041852 A124117 A008384
Adjacent sequences: A002296 A002297 A002298 this_sequence A002300 A002301 A002302
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KEYWORD
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nonn
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AUTHOR
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njas, Eric Lane (ERICLANE(AT)UTCVM.UTC.EDU)
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