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A074725 F(n) and C(2n,n) are relatively prime, where F(n) is the n-th Fibonacci number (A000045(n)). 0
1, 2, 4, 5, 11, 13, 14, 17, 22, 23, 25, 26, 29, 31, 34, 38, 41, 43, 46, 47, 53, 59, 61, 62, 67, 71, 73, 74, 82, 83, 86, 89, 94, 101, 103, 106, 107, 109, 113, 118, 121, 122, 125, 127, 131, 134, 137, 142, 146, 149, 151, 155, 158, 163, 166, 167, 173, 175, 179, 181 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..60.

FORMULA

It seems that a(n) is asymptotic to c*n*Log(Log(n)) with 2.1< c <2.3

CROSSREFS

Sequence in context: A089409 A287269 A136988 * A292412 A113733 A294434

Adjacent sequences:  A074722 A074723 A074724 * A074726 A074727 A074728

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Sep 04 2002

STATUS

approved

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Last modified August 24 03:51 EDT 2019. Contains 326260 sequences. (Running on oeis4.)