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A072396 Index of smallest Fibonacci number with n prime factors when counted with multiplicity. 2
3, 8, 6, 20, 18, 12, 30, 54, 24, 36, 138, 48, 84, 72, 108, 96, 210, 120, 276, 168, 216, 252, 288, 240 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..24.

Hisanori Mishima, Fibonacci numbers (n = 1 to 100)

Hisanori Mishima, Fibonacci numbers (n = 101 to 200)

Hisanori Mishima, Fibonacci numbers (n = 201 to 300)

Hisanori Mishima, Fibonacci numbers (n = 301 to 400)

Hisanori Mishima, Fibonacci numbers (n = 401 to 480)

EXAMPLE

a(3) = 6 since the 6th Fibonacci number 8 has 3 prime factors.

CROSSREFS

Cf. A072397.

Row n=1 of A303215.

Sequence in context: A164654 A225267 A320541 * A001175 A093725 A306933

Adjacent sequences:  A072393 A072394 A072395 * A072397 A072398 A072399

KEYWORD

nonn

AUTHOR

Shyam Sunder Gupta, Jul 21 2002

EXTENSIONS

a(17)-a(24) from Alois P. Heinz, Apr 10 2018

STATUS

approved

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Last modified November 14 12:44 EST 2019. Contains 329116 sequences. (Running on oeis4.)