id:A005630 - OEIS Search Results

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Number of chiral trees with n nodes.
(Formerly M3399)

+0
2

0, 0, 0, 0, 0, 0, 4, 10, 34, 96, 284, 782, 2226, 6208, 17560, 49618, 141500, 405104, 1168316, 3386538, 9875232, 28939944, 85235762, 252159572, 749160544, 2234378156, 6688358338, 20088296030, 60524845158, 182893018756 (list; graph; listen)

	OFFSET	`1,7`
	REFERENCES	`R. W. Robinson, F. Harary and A. T. Balaban, Numbers of chiral and achiral alkanes..., Tetrahedron 32 (1976), 355-361.`
	LINKS	`Index entries for sequences related to trees`
	FORMULA	`a(n)=A000628(n)-A005629(n). - Emeric Deutsch (deutsch(AT)duke.poly.edu), Nov 21 2004`
	CROSSREFS	`Sequence in context: A066454 A022445 A091003 this_sequence A100507 A030003 A059710` `Adjacent sequences: A005627 A005628 A005629 this_sequence A005631 A005632 A005633`
	KEYWORD	`nonn`
	AUTHOR	`njas`
	EXTENSIONS	`Corrected and extended by Emeric Deutsch (deutsch(AT)duke.poly.edu), Nov 21 2004`

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.

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