| 70, 81, 104, 105, 136, 148, 152, 164, 182, 186, 195, 207, 212, 244, 246, 254, 259, 289, 291, 292, 298, 305, 319, 326, 332, 344, 365, 367, 403, 404, 423, 445, 447, 451, 458, 478, 489, 511, 517, 519, 526, 533, 537, 543, 554, 565, 566, 597, 605, 679, 681, 685
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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Blair Kelly, Fibonacci and Lucas Factorizations.
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EXAMPLE
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a(1)=70 because 70th fibonacci number consists of 7 distinct prime factors (i.e. 190392490709135 = 5 x 11 x 13 x 29 x 71 x 911 x 141961)
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PROGRAM
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(PARI) n=1; while(n<310, if(omega(fibonacci(n))==7, print1(n, ", ")); n++)
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CROSSREFS
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Sequence in context: A129352 A078291 A118216 this_sequence A036191 A136117 A007621
Adjacent sequences: A114835 A114836 A114837 this_sequence A114839 A114840 A114841
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KEYWORD
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nonn
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AUTHOR
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Shyam Sunder Gupta (guptass(AT)rediffmail.com), Feb 19 2006
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EXTENSIONS
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More terms from Ryan Propper (rpropper(AT)stanford.edu), Apr 26 2006
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