id:A006297 - OEIS Search Results

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Number of rooted genus-1 maps with n edges.
(Formerly M4740)

+0
1

1, 10, 167, 1720, 24164, 256116, 3392843, 36703824, 472592916, 5188948072, 65723863196, 729734918432, 9145847808784 (list; graph; listen)

	OFFSET	`2,2`
	REFERENCES	`N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).` `T. R. S. Walsh, Combinatorial Enumeration of Non-Planar Maps. Ph.D. Dissertation, Univ. of Toronto, 1971.` `T. R. S. Walsh and A. B. Lehman, Counting rooted maps by genus, J. Comb. Thy B13 (1972), 122-141 and 192-218.`
	CROSSREFS	`Sequence in context: A054688 A112650 A006295 this_sequence A099711 A120977 A034830` `Adjacent sequences: A006294 A006295 A006296 this_sequence A006298 A006299 A006300`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.