A000818 - OEIS

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A000818

Number of switching networks under action of GL_n(Z_2).
(Formerly M5331 N2319)

64, 960, 135040, 14333211520, 7923543700147758911104, 311384101966962110823277061581833720077525851776 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`See Harrison reference for precise definition.` `Next term has 102 digits [Sean A. Irvine, Jan 19, 2012]`
	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: A185299 A185368 A027003 * A016959 A000768 A191900` `Adjacent sequences: A000815 A000816 A000817 * A000819 A000820 A000821`
	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 18 2012`

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Last modified February 17 06:20 EST 2012. Contains 205991 sequences.