id:A117295 - OEIS Search Results

Search: id:A117295

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a(n)=phi(n)*(n-phi(n))

+0
1

0, 1, 2, 4, 4, 8, 6, 16, 18, 24, 10, 32, 12, 48, 56, 64, 16, 72, 18, 96, 108, 120, 22, 128, 100, 168, 162, 192, 28, 176, 30, 256, 260, 288, 264, 288, 36, 360, 360, 384, 40, 360, 42, 480, 504, 528, 46, 512, 294, 600, 608, 672, 52, 648, 600, 768, 756, 840, 58, 704, 60 (list; graph; listen)

	OFFSET	`0,3`
	EXAMPLE	`a(8)=phi(8)(8-phi(8))=44=16`
	CROSSREFS	`Adjacent sequences: A117292 A117293 A117294 this_sequence A117296 A117297 A117298` `Sequence in context: A065608 A077764 A110794 this_sequence A093820 A095400 A098820`
	KEYWORD	`nonn`
	AUTHOR	`Luc Stevens (lms022(AT)yahoo.com), Apr 23 2006`

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Last modified November 9 12:23 EST 2009. Contains 166233 sequences.

AT&T Labs Research