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Search: id:A124348
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| A124348 |
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Number of increasing rooted trees on n nodes with thinning limbs. |
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+0
6
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| 1, 1, 2, 5, 19, 87, 484, 3110, 22869, 188938, 1735684, 17544342, 193537909, 2313316683, 29780777636, 410783319119, 6043874244604, 94478706232996, 1563722273109142, 27318062153696564, 502345167237496931
(list; graph; listen)
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OFFSET
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1,3
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COMMENT
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A rooted tree with thinning limbs is such that if a node has k children, all its children have at most k children.
In an increasing rooted tree, nodes are numbered and numbers increase as you move away from root.
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CROSSREFS
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Cf. A000142, A124343-A124348.
Sequence in context: A107377 A058132 A002851 this_sequence A052324 A020115 A103816
Adjacent sequences: A124345 A124346 A124347 this_sequence A124349 A124350 A124351
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KEYWORD
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nonn
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AUTHOR
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Christian G. Bower (bowerc(AT)usa.net), Oct 30 2006, suggested by Frank Adams-Watters (FrankTAW(AT)Netscape.net
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