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Search: id:A114822
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| A114822 |
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Indices of Fibonacci numbers with 13 prime factors when counted with multiplicity. |
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+0
1
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| 84, 132, 156, 162, 224, 234, 260, 354, 364, 368, 405, 434, 438, 455, 472, 512, 536, 584, 585, 595, 610, 615, 645, 693, 741, 775, 777, 822, 830, 834, 867, 904, 931, 957, 962
(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)=84 because 84th fibonacci number(i.e. 160500643816367088) consists of 13 prime factors (i.e. 2*2*2*2*3*3*13*29*83*211*281*421*1427 )
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PROGRAM
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(PARI) n=1; while(n<360, if(bigomega(fibonacci(n))==13, print1(n, ", ")); n++)
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CROSSREFS
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Sequence in context: A113931 A111313 A015708 this_sequence A099637 A101260 A039499
Adjacent sequences: A114819 A114820 A114821 this_sequence A114823 A114824 A114825
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KEYWORD
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hard,more,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), May 24 2006
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