id:A006399 - OEIS Search Results

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Number of planar maps without loops or isthmuses.
(Formerly M1162)

+0
1

1, 2, 4, 8, 27, 76, 295 (list; graph; listen)

	OFFSET	`2,2`
	REFERENCES	`Walsh, T. R. S.; Generating nonisomorphic maps without storing them. SIAM J. Algebraic Discrete Methods 4 (1983), no. 2, 161-178.`
	CROSSREFS	`Adjacent sequences: A006396 A006397 A006398 this_sequence A006400 A006401 A006402` `Sequence in context: A000643 A112285 A037170 this_sequence A056800 A034919 A134316`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified October 7 08:31 EDT 2008. Contains 144667 sequences.