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A053135
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Binomial coefficients C(2n+6,6).
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5
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1, 28, 210, 924, 3003, 8008, 18564, 38760, 74613, 134596, 230230, 376740, 593775, 906192, 1344904, 1947792, 2760681, 3838380, 5245786, 7059052, 9366819, 12271512, 15890700, 20358520, 25827165, 32468436, 40475358, 50063860, 61474519, 74974368, 90858768
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| Even indexed members of seventh column of Pascal's triangle A007318.
Number of standard tableaux of shape (2n+1,1^6). - Emeric Deutsch (deutsch(AT)duke.poly.edu), May 30 2004
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LINKS
| Nathaniel Johnston, Table of n, a(n) for n = 0..1000
Milan Janjic, Enumerative Formulas for Some Functions on Finite Sets
Milan Janjic, Two Enumerative Functions
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FORMULA
| a(n) = binomial(2*n+6, 6) = A000579(2*n+6).
G.f.: (1+21*x+35*x^2+7*x^3)/(1-x)^7.
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MAPLE
| seq(binomial(2*n+6, 6), n=0..40); # Nathaniel Johnston, May 14 2011
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CROSSREFS
| Cf. A000579, A002299, A053128, A053134, A190152.
Sequence in context: A184933 A159542 A155466 * A133071 A135180 A042524
Adjacent sequences: A053132 A053133 A053134 * A053136 A053137 A053138
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KEYWORD
| nonn,easy
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AUTHOR
| Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)
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