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A023427
Generalized Catalan Numbers.
+0
1
1, 1, 1, 1, 1, 2, 4, 7, 11, 17, 28, 49, 87, 152, 262, 453, 794, 1408, 2507, 4462, 7943, 14179, 25415, 45713, 82398, 148731, 268859, 486890, 883411, 1605582, 2922259, 5325377, 9716564
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Maintained by
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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.
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