A079347 Fibonacci{p-(p/5)} is the first Fibonacci number that p divides and this is p-(p/5).

8, 10, 18, 24, 30, 44, 58, 68, 70, 78, 84, 104, 128, 130, 164, 168, 178, 190, 224, 228, 238, 250, 270, 284, 310, 358, 368, 378, 384, 418, 430, 438, 444, 464, 468, 478, 488, 490, 498

Offset

0,1

Links

Table of n, a(n) for n=0..38.

Example

a(1)=8 because A079346(1)=7, (7/5)=-1 and 7-(-1)=8.

Prog

(PARI) quad5(x)=if (x%5>1 && x%5<4, -1, 1) forprime (p=7, 500, wss=p-quad5(p); for (n=1, wss, if (fibonacci(n)%p==0, if (n==wss, print1(n", "), break))))

Crossrefs

Cf. A079346, A079348, A079349.

Sequence in context: A143617 A015732 A179474 * A153382 A157911 A090097

Adjacent sequences: A079344 A079345 A079346 * A079348 A079349 A079350

Keyword

nonn

Author

Jon Perry, Jan 04 2003

Status

approved