A359881 - OEIS

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A359881

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

1

8, 9, 10, 12, 17, 18, 29, 24, 38, 30, 45, 39, 41, 45, 61, 50, 67, 73, 77, 82, 62, 60, 71, 70, 127, 161, 112, 111, 86, 154, 91, 127, 99, 100, 141, 109, 109, 115, 159, 122, 122, 125, 131, 133, 134, 329, 138, 147, 196, 407, 150, 256, 320, 165, 163, 223, 170, 173

(list; graph; refs; listen; history; text; internal format)

OFFSET

2,1

LINKS

Table of n, a(n) for n=2..59.

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

Eric Weisstein's World of Mathematics, Prime Factor

CROSSREFS

Cf. A001222, A072396, A359853, A359878, A359879, A359880.

Sequence in context: A169928 A067683 A338026 * A164276 A154967 A271211

Adjacent sequences: A359878 A359879 A359880 * A359882 A359883 A359884

KEYWORD

nonn

AUTHOR

Ilya Gutkovskiy, Jan 16 2023

EXTENSIONS

a(24)-a(59) from Daniel Suteu, Jan 18 2023

STATUS

approved