id:A165656 - OEIS Search Results

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Number of disconnected 6-regular (sextic) graphs on n vertices.

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1, 1, 5, 25, 297, 8199, 377004, 22014143, 1493574756, 114880777582 (list; graph; listen)

	OFFSET	`14,3`
	LINKS	`N. J. A. Sloane, Transforms`
	FORMULA	`a = A165627 - A006822 = Euler_transformation(A006822) - A006822.`
	CROSSREFS	`a(n)=D(n, 6) in the triangle A068933.` `Sequence in context: A005452 A143600 A145076 this_sequence A145773 A072324 A082026` `Adjacent sequences: A165653 A165654 A165655 this_sequence A165657 A165658 A165659`
	KEYWORD	`nonn,hard,more`
	AUTHOR	`Jason Kimberley (Jason.Kimberley(AT)newcastle.edu.au), Sep 28 2009`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.