A006291 - OEIS

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A006291

Pseudo-bricks with n nodes.
(Formerly M4450)

1, 7, 88, 1731, 55094, 2806539 (list; graph; refs; listen; history; internal format)

	OFFSET	`4,2`
	REFERENCES	`N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).` `Walsh, T. R. S.; Counting unlabeled three-connected and homeomorphically irreducible two-connected graphs. J. Combin. Theory Ser. B 32 (1982), no. 1, 12-32.`
	LINKS	`Index entries for sequences related to bricks`
	CROSSREFS	`Cf. A006292, A006293.` `Sequence in context: A137143 A069430 A020564 * A054678 A036902 A142204` `Adjacent sequences: A006288 A006289 A006290 * A006292 A006293 A006294`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 15:44 EST 2012. Contains 206050 sequences.