A002844 - OEIS

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A002844

Nonisentropic binary rooted trees with n nodes.
(Formerly M1445 N0571)

1, 1, 2, 5, 13, 36, 102, 296, 871, 2599 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,3`
	REFERENCES	`R. K. Guy, personal communication.` `N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).` `N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).`
	LINKS	`Table of n, a(n) for n=1..10.` `Index entries for sequences related to rooted trees` `Index entries for sequences related to trees`
	CROSSREFS	`Sequence in context: A046171 A022854 A116409 * A223096 A099164 A036765` `Adjacent sequences: A002841 A002842 A002843 * A002845 A002846 A002847`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane.`
	STATUS	`approved`

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Last modified May 25 16:33 EDT 2013. Contains 225647 sequences.