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Search: id:A051288
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A051288 Triangle read by rows: a(n,k) = number of paths of n upsteps U and n downsteps D that contain k UUDs. +0
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1, 2, 4, 2, 8, 12, 16, 48, 6, 32, 160, 60, 64, 480, 360, 20, 128, 1344, 1680, 280, 256, 3584, 6720, 2240, 70, 512, 9216, 24192, 13440, 1260, 1024, 23040, 80640, 67200, 12600, 252, 2048, 56320, 253440, 295680, 92400, 5544, 4096, 135168, 760320 (list; graph; listen)
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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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