A336526 a(n) is the least k > 1 such that A031121(n) = F(k*m)/F(m) for some m.

2, 3, 2, 2, 5, 2, 3, 2, 7, 3, 2, 4, 2, 9, 2, 3, 5, 4, 2, 11, 3, 2, 6, 2, 13, 5, 2, 3, 4, 7, 2, 15, 3, 2, 8, 6, 4, 2, 17, 2, 3, 5, 9, 2, 19, 7, 3, 2, 4, 10, 2, 21, 5, 2, 3, 6, 11, 8, 4, 2, 23, 3, 2, 12, 2, 25, 9, 2, 3, 4, 5, 7, 13, 6, 2, 27, 3, 2

Offset: 1

Author

M. Farrokhi D. G., Jul 25 2020

Keywords

• nonn
• easy

Links

• M. Farrokhi D. G., Table of n, a(n) for n = 1..999
• M. Farrokhi D. G., Some remarks on the equation F_n=kF_m in Fibonacci numbers, J. Integer Seq. 10 (2007), no. 5, Article 07.5.7, 9 pp.

Crossrefs

Cf. A000045, A031121, A031122.