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A124088
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10th column of Catalan triangle A009766.
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0
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4862, 16796, 41990, 90440, 177650, 326876, 572033, 961400, 1562275, 2466750, 3798795, 5722860, 8454225, 12271350, 17530500, 24682944, 34295052, 47071640, 63882940, 85795600, 114108148, 150391384, 196534195, 254795320, 327861625, 418913482, 531697881
(list; graph; refs; listen; history; internal format)
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OFFSET
| 17,1
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FORMULA
| a(n)=C(n,9)-C(n,7).
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MAPLE
| [seq(binomial(n, 9)-binomial(n, 7), n=17..42)];
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MATHEMATICA
| CoefficientList[Series[(1430*z^8 - 12870*z^7 + 51051*z^6 - 116688*z^5 + 168300*z^4 - 157080*z^3 + 92820*z^2 - 31824*z + 4862)/(z - 1)^10, {z, 0, 100}], z] (* From Vladimir Joseph Stephan Orlovsky, Jul 16 2011 *)
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CROSSREFS
| Cf. A009766.
Sequence in context: A155511 A031838 A031826 * A147697 A200972 A053396
Adjacent sequences: A124085 A124086 A124087 * A124089 A124090 A124091
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KEYWORD
| easy,nonn
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AUTHOR
| Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Nov 25 2006
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