id:A064400 - OEIS Search Results

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Number of ordered pairs a,b of elements in the dihedral group D_2n such that the subgroup generated by the pair a,b is the entire group D_2n.

+0
2

3, 6, 18, 24, 60, 36, 126, 96, 162, 120, 330, 144 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n) = 3 * A002618(n) = 3 * n * phi(n)`
	CROSSREFS	`A002618, A064279.` `Sequence in context: A078318 A074370 A088339 this_sequence A117863 A103100 A101726` `Adjacent sequences: A064397 A064398 A064399 this_sequence A064401 A064402 A064403`
	KEYWORD	`nonn`
	AUTHOR	`Dan Fux (dan.fux(AT)OpenGaia.com or danfux(AT)OpenGaia.com), Sep 28 2001`

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.