A214787 a(n) is the smallest k>=2 such that n divides Fibonacci(k-1)+5, or zero if no such k exists.

2, 2, 2, 5, 6, 2, 4, 5, 8, 6, 0, 11, 7, 14, 11, 17, 14, 8, 0, 11, 0, 0, 20, 0, 46, 9, 32, 0, 0, 11, 17, 17, 0, 14, 36, 0, 34, 0, 10, 41, 16, 0, 23, 0, 56, 20, 12, 0, 52, 56, 24, 35, 50, 32, 0, 0, 0, 0, 0, 11, 26, 17, 0, 65

Offset

1,1

Links

Table of n, a(n) for n=1..64.

Example

The zero for n=11 means that no term is divisible by 11.
This is the entry sequence for 2,3,4,5,...

Crossrefs

Cf. A157729, A214781

Sequence in context: A096403 A073819 A190846 * A066835 A123953 A097006

Adjacent sequences: A214784 A214785 A214786 * A214788 A214789 A214790

Keyword

nonn

Author

Art DuPre, Aug 03 2012

Extensions

Definition and example corrected. - R. J. Mathar, Aug 09 2012

Definition clarified by Harvey P. Dale, Jul 18 2020

Status

approved