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A023173 Fib(n) == 1 (mod n). +0
9
1, 2, 11, 19, 22, 29, 31, 38, 41, 58, 59, 61, 62, 71, 79, 82, 89, 101, 109, 118, 122, 131, 139, 142, 149, 151, 158, 178, 179, 181, 191, 199, 202, 211, 218, 229, 239, 241, 251, 262, 269, 271, 278, 281, 298, 302, 311, 323, 331, 349, 358, 359, 362, 379, 382, 389, 398, 401 (list; graph; listen)
OFFSET

1,2

COMMENT

Sequence contains 1, A064739(k) for all k>=0, 2*A064739(k) for k>1 - Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 06 2002

MATHEMATICA

lst={}; Do[If[Mod[Fibonacci[n], n]==1, AppendTo[lst, n]], {n, 1, 7!}]; Take[Union[lst], 5! ] [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Apr 03 2009]

CROSSREFS

Cf. A045468, A003631, A064739.

Sequence in context: A074926 A066144 A102343 this_sequence A018443 A163058 A079062

Adjacent sequences: A023170 A023171 A023172 this_sequence A023174 A023175 A023176

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

page 1

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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