A082009 - OEIS

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A082009

a(n) = label of parent node of node n in tree shown in A082007.

0, 0, 1, 3, 3, 1, 6, 6, 2, 9, 9, 2, 12, 12, 4, 15, 15 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,4`
	CROSSREFS	`Sequence in context: A131070 A165202 A010468 * A110640 A143389 A094040` `Adjacent sequences: A082006 A082007 A082008 * A082010 A082011 A082012`
	KEYWORD	`nonn,easy,more`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Oct 06 2009, based on a posting by Steve Witham (sw(AT)tiac.net) to the Math Fun Mailing List, Sep 30 2009`

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Last modified February 15 03:14 EST 2012. Contains 205694 sequences.