A000860 - OEIS

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A000860

Number of n-input 3-output switching networks under action of S(n) and complementing group C(2,3) on inputs and outputs
(Formerly M3656 N1488)

4, 34, 8900, 15320103918, 429840804866758538021686, 2837954705307504063799234409931200916180905873402528 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	REFERENCES	`M. A. Harrison, On the number of classes of switching networks, J. Franklin Instit., 276 (1963), 313-327.` `N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).` `N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).`
	LINKS	`Index entries for sequences related to switching networks`
	CROSSREFS	`Sequence in context: A162079 A113231 A055621 * A027681 A193994 A097382` `Adjacent sequences: A000857 A000858 A000859 * A000861 A000862 A000863`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`More terms from Sean A. Irvine (sairvin(AT)xtra.co.nz), Aug 10 2011`

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Last modified February 17 20:50 EST 2012. Contains 206085 sequences.