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Search: id:A067797
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A067797 Numbers n such that phi(n)+phi(n+1)=n+2. +0
1
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; listen)
OFFSET

1,1
CROSSREFS

Adjacent sequences: A067794 A067795 A067796 this_sequence A067798 A067799 A067800

Sequence in context: A028987 A090938 A087271 this_sequence A013285 A013289 A013288

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 07 2002

page 1

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.

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