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Search: id:A067171
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A067171 Numbers n such that sigma(n+1)+sigma(n)=sigma(2n+1). +0
1
1, 4, 646, 1096, 16174, 22891, 64672 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Adjacent sequences: A067168 A067169 A067170 this_sequence A067172 A067173 A067174

Sequence in context: A123657 A069641 A079103 this_sequence A091288 A046348 A114765

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 18 2002

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

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