A067797 - OEIS

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A067797

Numbers n such that phi(n)+phi(n+1)=n+2.

4, 6, 8, 50, 74, 110, 170, 174, 890, 902, 1310, 1434, 1826, 2714, 4190, 5030, 6494, 8234, 8474, 10142, 14390, 31670, 32394, 40514, 89990, 95174, 101834, 102554, 135374 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A137026 A090938 A087271 * A203633 A190630 A013285` `Adjacent sequences: A067794 A067795 A067796 * A067798 A067799 A067800`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 07 2002`

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.