A359853 a(n) is the index of the smallest Fibonacci n-step number with exactly n distinct prime factors.

8, 13, 20, 18, 50, 56, 73, 95, 267

Offset

2,1

Links

Table of n, a(n) for n=2..10.

Eric Weisstein's World of Mathematics, Distinct Prime Factors

Eric Weisstein's World of Mathematics, Fibonacci n-Step Number

Crossrefs

Cf. A001221, A060320, A359850, A359851, A359852.

Sequence in context: A214723 A022954 A364411 * A070130 A070131 A030782

Adjacent sequences: A359850 A359851 A359852 * A359854 A359855 A359856

Keyword

nonn,more

Author

Ilya Gutkovskiy, Jan 15 2023

Extensions

a(10) from Jinyuan Wang, Jan 17 2023

Status

approved