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A114815 Indices of Fibonacci numbers with 6 prime factors when counted with multiplicity. +0
1
12, 40, 50, 64, 75, 92, 95, 99, 116, 117, 129, 133, 153, 155, 159, 177, 188, 194, 205, 206, 219, 237, 245, 265, 278, 314, 323, 327, 339, 341, 343, 346, 356, 358, 361, 362, 394, 407, 411, 417, 422, 427, 437, 446, 454, 466, 482, 502, 503, 505, 514, 515, 527 (list; graph; listen)
OFFSET

1,1

LINKS

Blair Kelly, Fibonacci and Lucas Factorizations.

EXAMPLE

a(1)=12 because 12th fibonacci number(i.e. 144) consists of 6 prime factors (i.e. 2*2*2*2*3*3)

PROGRAM

(PARI) n=1; while(n<330, if(bigomega(fibonacci(n))==6, print1(n, ", ")); n++)

CROSSREFS

Sequence in context: A079539 A119094 A139691 this_sequence A109766 A033586 A137389

Adjacent sequences: A114812 A114813 A114814 this_sequence A114816 A114817 A114818

KEYWORD

nonn

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Feb 19 2006

EXTENSIONS

More terms from Ryan Propper (rpropper(AT)stanford.edu), May 22 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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