A287821 a(n) is the index of the largest Fibonacci number A065108(n) is divisible by.

2, 3, 4, 3, 5, 4, 6, 4, 5, 4, 7, 5, 6, 4, 5, 8, 6, 5, 7, 4, 5, 6, 9, 4, 7, 6, 8, 5, 6, 5, 7, 4, 10, 5, 8, 6, 7, 9, 6, 5, 7, 6, 4, 8, 11, 5, 6, 5, 9, 7, 8, 4, 10, 7, 6, 5, 8, 6, 7, 5, 9, 12, 5, 7, 6, 4, 10, 8, 7, 9, 11, 5, 8, 6, 7, 6, 9, 7, 8, 6, 10, 5, 13, 7, 6

Offset

1,1

Links

David A. Corneth, Table of n, a(n) for n = 1..10000

Example

A065108(7) = 8 is divisible by fibonacci(6) = 8 and by no larger Fibonacci number. Therefore, a(7) = 6.

Crossrefs

Cf. A065108.

Sequence in context: A327565 A054437 A335943 * A341830 A357714 A299757

Adjacent sequences: A287818 A287819 A287820 * A287822 A287823 A287824

Keyword

nonn

Author

David A. Corneth, Jun 01 2017

Status

approved