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A072397 Smallest Fibonacci number with n prime factors when counted with multiplicity. 1
2, 21, 8, 6765, 2584, 144, 832040, 86267571272, 46368, 14930352, 30960598847965113057878492344, 4807526976, 160500643816367088, 498454011879264, 16641027750620563662096, 51680708854858323072 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

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

21 is the 2nd term because 21 is the smallest Fibonacci number having 2 prime factors.

CROSSREFS

Cf. A072396.

Sequence in context: A024230 A105666 A058261 * A077208 A084313 A074769

Adjacent sequences:  A072394 A072395 A072396 * A072398 A072399 A072400

KEYWORD

nonn

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Jul 21 2002

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Last modified February 14 16:48 EST 2012. Contains 205635 sequences.