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A032030
Number of series-reduced planted planar trees with n leaves of 2 colors where any 2 subtrees extending from the same node are different.
+0
1
2, 2, 8, 46, 276, 1836, 12712, 90610, 661652, 4922404, 37178736, 284330552, 2197474456, 17136206984, 134667604360, 1065457242054, 8479671583004, 67841927540372, 545314544677904, 4401667141277988
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.
AT&T Labs Research
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