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A241803
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Number of ballot sequences of length n having exactly ten descents.
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2
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1, 279, 19125, 651245, 14366695, 233582056, 3019039806, 32552281146, 302772441833, 2489676658658, 18436266612425, 124754494349824, 780244984225568, 4553372454106529, 24982642521157848, 129722480362398371, 640852528623371007, 3026558205823169395
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OFFSET
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15,2
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LINKS
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EXAMPLE
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a(15) = 1: [1,2,1,3,2,1,4,3,2,1,5,4,3,2,1].
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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