id:A074045 - OEIS Search Results

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Number of rooted trees of 2n+1 nodes with every leaf at height n.

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1, 1, 2, 3, 6, 9, 17, 28, 49, 83, 145, 246, 427, 729, 1256, 2152, 3702, 6341, 10892, 18662, 32016, 54853, 94034, 161055, 275929, 472461, 809033, 1384848, 2370434, 4056309, 6940744, 11873769, 20311018, 34737781, 59405959, 101577454 (list; graph; listen)

	OFFSET	`0,3`
	LINKS	`Index entries for sequences related to rooted trees`
	CROSSREFS	`Limit of A048808-A048815.` `Sequence in context: A048813 A048814 A048815 this_sequence A073776 A129853 A095982` `Adjacent sequences: A074042 A074043 A074044 this_sequence A074046 A074047 A074048`
	KEYWORD	`nonn,eigen`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Aug 13 2002. Suggested by Paul D. Hanna (pauldhanna(AT)juno.com)`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research