A000887 - OEIS

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A000887

Number of switching networks with GL(n,2) acting on the domain and AG(3,2) acting on the range.
(Formerly M2054 N0813)

2, 12, 2828, 8747130342, 491246345257275414284942, 6486753612131092188914472969769826152814897906580334 (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` `M. A. Harrison, On the number of classes of (n,k) switching networks, University of Michigan (1962).`
	CROSSREFS	`Sequence in context: A125295 A050649 A003042 * A118542 A007155 A074200` `Adjacent sequences: A000884 A000885 A000886 * A000888 A000889 A000890`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`More terms from Sean A. Irvine (sairvin(AT)xtra.co.nz), Jan 26 2012`

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Last modified February 17 16:49 EST 2012. Contains 206058 sequences.