id:A006239 - OEIS Search Results

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Eulerian circuits on checkerboard.
(Formerly M4909)

+0
1

1, 13, 108, 793, 5611, 39312 (list; graph; listen)

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.