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A111301 Triangle read by rows: T(n,k) is the number of Dyck n-paths containing k even-length descents to ground level. +0
3
1, 1, 1, 1, 2, 3, 5, 8, 1, 14, 23, 5, 42, 70, 19, 1, 132, 222, 68, 7, 429, 726, 240, 34, 1, 1430, 2431, 847, 145, 9, 4862, 8294, 3003, 583, 53, 1, 16796, 28730, 10712, 2275, 262, 11, 58786, 100776, 38454, 8736, 1183, 76, 1, 208012, 357238, 138890, 33252, 5068 (list; graph; listen)
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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.


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