id:A069167 - OEIS Search Results

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Numbers n such that n*sum( d divides n,1/phi(d)) is an integer.

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1, 2, 4, 6, 8, 9, 10, 12, 16, 18, 24, 32, 36, 42, 44, 48, 50, 54, 64, 72, 81, 90, 96, 100, 108, 114, 126, 128, 144, 150, 162, 184, 192, 198, 200, 216, 234, 250, 252, 256, 288, 294, 324, 378, 384, 396, 400, 432, 441, 450, 484, 486, 504, 512, 550, 558, 576, 588 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A110262 A118672 A070089 this_sequence A036627 A080037 A114571` `Adjacent sequences: A069164 A069165 A069166 this_sequence A069168 A069169 A069170`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 09 2002`

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Last modified September 4 21:24 EDT 2008. Contains 143414 sequences.

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