A006239 - OEIS

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A006239

Eulerian circuits on checkerboard.
(Formerly M4909)

1, 13, 108, 793, 5611, 39312 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	REFERENCES	`G. Kreweras, Complexite et circuits Euleriens dans la sommes tensorielles de graphes, J. Combin. Theory, B 24 (1978), 202-212.` `N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).`
	LINKS	`Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.`
	CROSSREFS	`Sequence in context: A038384 A038385 A084901 * A142040 A002648 A055840` `Adjacent sequences: A006236 A006237 A006238 * A006240 A006241 A006242`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 14 20:38 EST 2012. Contains 205663 sequences.