id:A036631 - OEIS Search Results

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Number of 4-ary rooted trees with n nodes and height exactly 7.

+0
1

0, 0, 0, 0, 0, 0, 0, 1, 6, 26, 94, 302, 900, 2546, 6931, 18341, 47474, 120750, 302741, 750050, 1839421, 4471759, 10787891, 25849612, 61564934, 145828769, 343713516, 806462038, 1884353462, 4386038531, 10172642984, 23515472829, 54190799650 (list; graph; listen)

	OFFSET	`0,9`
	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	`Sequence in context: A032169 A032196 A011780 this_sequence A036638 A036645 A000393` `Adjacent sequences: A036628 A036629 A036630 this_sequence A036632 A036633 A036634`
	KEYWORD	`nonn,fini`
	AUTHOR	`njas`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

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