id:A066295 - OEIS Search Results

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Number of abelian groups of order n minus the number of nonabelian groups of order n.

+0
1

1, 1, 1, 2, 1, 0, 1, 1, 2, 0, 1, -1, 1, 0, 1, -4, 1, -1, 1, -1, 0, 0, 1, -9, 2, 0, 1, 0, 1, -2, 1, -37, 1, 0, 1, -6, 1, 0, 0, -8, 1, -4, 1, 0, 2, 0, 1, -42, 2, -1, 1, -1, 1, -9, 0, -7, 0, 0, 1, -9, 1, 0, 0, -245, 1, -2, 1, -1, 1, -2, 1, -38, 1, 0, 1, 0, 1, -4, 1, -42, -5, 0, 1, -11, 1, 0, 1, -6, 1, -6, 1, 0, 0 (list; graph; listen)

	OFFSET	`1,4`
	LINKS	`T. D. Noe, Table of n, a(n) for n=1..2015`
	FORMULA	`a(n) = A000688(n) - A060689(n)`
	CROSSREFS	`Cf. A000688, A060689, A000001.` `Sequence in context: A006842 A060505 A035188 this_sequence A035154 A113446 A121450` `Adjacent sequences: A066292 A066293 A066294 this_sequence A066296 A066297 A066298`
	KEYWORD	`sign`
	AUTHOR	`Sharon Sela (sharonsela(AT)hotmail.com), Jan 01 2002`
	EXTENSIONS	`Edited by Dean Hickerson (dean(AT)math.ucdavis.edu), Mar 04 2002` `More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 05 2003`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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