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Search: id:A032030
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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 (list; graph; listen)
OFFSET

1,1
LINKS

Index entries for sequences related to rooted trees

FORMULA

Doubles (index 2+) under "AGK" (ordered, elements, unlabeled) transform.

CROSSREFS

Sequence in context: A111605 A009544 A077607 this_sequence A006673 A053978 A003181

Adjacent sequences: A032027 A032028 A032029 this_sequence A032031 A032032 A032033

KEYWORD

nonn

AUTHOR

Christian G. Bower (bowerc(AT)usa.net)

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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