id:A038094 - OEIS Search Results

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Number of rooted graphs where root has degree 2.

+0
4

6, 96, 1920, 61440, 3440640, 352321536, 67645734912, 24739011624960, 17416264183971840, 23779006032516218880, 63309225660971181146112, 330036748754793764694786048, 3379576307249088150474609131520 (list; graph; listen)

	OFFSET	`3,1`
	FORMULA	`nC(n-1, 2)2^C(n-1, 2).`
	CROSSREFS	`Cf. A006125, A038095-A038097.` `Sequence in context: A006044 A001805 A139743 this_sequence A126151 A066319 A111826` `Adjacent sequences: A038091 A038092 A038093 this_sequence A038095 A038096 A038097`
	KEYWORD	`nonn,easy`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Jan 04 1999.`

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Last modified July 25 02:12 EDT 2008. Contains 142294 sequences.

AT&T Labs Research