A006471 - OEIS

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A006471

Number of rooted planar maps.
(Formerly M4021)

5, 84, 650, 3324, 13020, 42240, 118998, 300300, 693693, 1490060, 3011580 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	REFERENCES	`N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).` `Walsh, T. R. S.; Lehman, A. B.; Counting rooted maps by genus. III: Nonseparable maps. J. Combinatorial Theory Ser. B 18 (1975), 222-259.`
	CROSSREFS	`Sequence in context: A054953 A111834 A187587 * A061628 A193369 A111911` `Adjacent sequences: A006468 A006469 A006470 * A006472 A006473 A006474`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 14:50 EST 2012. Contains 206050 sequences.