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A074806 Least k such that F(k) reduced (mod prime(n)) = prime(n)-1 where F(k) is the k-th Fibonacci number. 0
1, 3, 9, 7, 8, 13, 17, 16, 23, 12, 28, 37, 19, 43, 15, 53, 56, 29, 67, 68, 73, 76, 83, 21, 97, 48, 103, 35, 53, 37, 127, 128, 137, 44, 73, 48, 157, 163, 167, 173, 176, 88, 188, 193, 197, 20, 40, 223, 227, 112, 25, 236, 119, 248, 257, 87, 133, 268, 277, 27, 283, 293, 43 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..63.

PROG

(PARI) a(n)=if(n<0, 0, s=1; while(fibonacci(s)%prime(n)<prime(n)-1, s++); s)

CROSSREFS

Sequence in context: A201943 A201760 A046261 * A010634 A267363 A146179

Adjacent sequences:  A074803 A074804 A074805 * A074807 A074808 A074809

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Sep 08 2002

STATUS

approved

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Last modified September 26 14:12 EDT 2022. Contains 356999 sequences. (Running on oeis4.)