id:A006439 - OEIS Search Results

Search: id:A006439

Displaying 1-1 of 1 results found.

page 1

Number of tree-rooted toroidal maps.
(Formerly M3719)

+0
1

4, 152, 2630, 31500, 303534, 2530976, 19030428, 132386340, 866782510, 5405853200 (list; graph; listen)

	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: A041629 A159197 A160470 this_sequence A158104 A093977 A003736` `Adjacent sequences: A006436 A006437 A006438 this_sequence A006440 A006441 A006442`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

page 1

Search completed in 0.002 seconds

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.