A000881 - OEIS

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A000881

Number of switching networks with AG(n,2) acting on the domain and GL(3,2) acting on the range.
(Formerly M3508 N1425)

4, 15, 276, 5534533, 1473914807822315239, 28960574959925842749932484608400325311784104, 11182854043812984653151849586832952714557996202582672732591909323787317314909793862964567968430394 (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: A090115 A051999 A048731 * A109923 A006524 A070037` `Adjacent sequences: A000878 A000879 A000880 * A000882 A000883 A000884`
	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 25 2012`

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Last modified February 16 09:27 EST 2012. Contains 205904 sequences.