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A058987
Catalan(n) - Motzkin(n-1).
+0
1
0, 1, 3, 10, 33, 111, 378, 1303, 4539, 15961, 56598, 202214, 727389, 2632605, 9581211, 35047098, 128791323, 475281921, 1760726808, 6545921136, 24415415001, 91340016081, 342658850427, 1288774386909, 4858753673655, 18358309669651
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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.
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