id:A036633 - OEIS Search Results

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Number of 4-ary rooted trees with n nodes and height exactly 9.

+0
1

0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 8, 43, 188, 720, 2522, 8288, 25973, 78506, 230716, 663100, 1871936, 5207632, 14312497, 38937270, 105015752, 281132871, 747756946, 1977633148, 5204143935, 13633435312, 35572076796, 92475463113, 239606189255 (list; graph; listen)

	OFFSET	`0,11`
	LINKS	`E. M. Rains and N. J. A. Sloane, On Cayley's Enumeration of Alkanes (or 4-Valent Trees), J. Integer Sequences, Vol. 2 (1999), Article 99.1.1.` `Index entries for sequences related to rooted trees`
	CROSSREFS	`Adjacent sequences: A036630 A036631 A036632 this_sequence A036634 A036635 A036636` `Sequence in context: A065789 A025064 A036424 this_sequence A036640 A036647 A000429`
	KEYWORD	`nonn,fini`
	AUTHOR	`njas`

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.

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