id:A078596 - OEIS Search Results

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Numbers n such that there is at least one pair (x,y) 1<=x<=y<=n such that 1/x+1/y+1/n = 1/phi(n).

+0
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6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 90, 96, 108, 120, 126, 132, 144, 150, 162, 180, 192, 198, 210, 216, 234, 240, 264, 270, 276, 288, 294, 300 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`It seems that necessarily a(n)==0 (mod 6)`
	CROSSREFS	`Sequence in context: A126798 A008458 A008588 this_sequence A085129 A083263 A043369` `Adjacent sequences: A078593 A078594 A078595 this_sequence A078597 A078598 A078599`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Dec 08 2002`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research