id:A067798 - OEIS Search Results

Search: id:A067798

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Numbers n such that phi(n)+phi(n+1)=n+1.

+0
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1, 2, 3, 5, 9, 15, 21, 35, 39, 45, 75, 99, 135, 231, 255, 363, 483, 765, 855, 1295, 1599, 2015, 2115, 4335, 6783, 9999, 14399, 16095, 16599, 18495, 30495, 53823, 62799, 63455, 65535, 77615, 155319, 186999, 196095, 327675, 589815, 686735, 722015 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Adjacent sequences: A067795 A067796 A067797 this_sequence A067799 A067800 A067801` `Sequence in context: A026008 A101461 A085897 this_sequence A074693 A097083 A003476`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 07 2002`
	EXTENSIONS	`More terms from Dean Hickerson (dean(AT)math.ucdavis.edu), Feb 16 2002`

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Last modified May 16 01:24 EDT 2008. Contains 139630 sequences.

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