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A098978
Triangle read by rows: T(n,k) is number of Dyck n-paths with k UUDDs, 0 <= k <= n/2.
+0
1
1, 1, 1, 1, 2, 3, 5, 8, 1, 13, 23, 6, 35, 69, 27, 1, 97, 212, 110, 10, 275, 662, 426, 66, 1, 794, 2091, 1602, 360, 15, 2327, 6661, 5912, 1760, 135, 1
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.
AT&T Labs Research
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