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A069180 F(n) and n! are relatively primes where F(n) are the Fibonacci numbers. +0
3
1, 2, 7, 11, 13, 17, 19, 22, 23, 26, 29, 31, 34, 37, 41, 43, 46, 47, 53, 58, 59, 61, 62, 67, 71, 73, 79, 82, 83, 86, 89, 94, 97, 101, 103, 106, 107, 109, 113, 118, 122, 127, 131, 134, 137, 139, 142, 146, 149, 151, 157, 163, 166, 167, 169, 173, 178, 179, 181, 191 (list; graph; listen)
OFFSET

1,2

COMMENT

Are there any primes p >5 such that F(p) and p! are not relatively primes?

FORMULA

Conjecture : a(n) = C*n*Log(n) + 0(n*Log(n)) with 0, 6 < C < 0, 7

CROSSREFS

Sequence in context: A045173 A063976 A064000 this_sequence A020627 A043292 A020597

Adjacent sequences: A069177 A069178 A069179 this_sequence A069181 A069182 A069183

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 10 2002

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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