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Search: id:A129655
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| A129655 |
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Numbers that set a new record for number of Fibonacci divisors. |
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+0
2
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| 1, 2, 6, 24, 120, 720, 5040, 55440, 720720, 12252240, 232792560, 6750984240, 276790353840, 12732356276640
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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a(15) <= 598420745002080. a(16) <= 36503665445126880. a(17) <= 1131613628798933280. a(18) <= 100713612963105061920. [From Donovan Johnson (donovan.johnson(AT)yahoo.com), Jul 07 2009]
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REFERENCES
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J. Earls, Red Zen, Lulu Press, NY, 2006, p. 105.
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EXAMPLE
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5040 has 60 divisors with 7 of them being Fibonacci numbers, namely 1, 2, 3, 5, 8, 21 and 144.
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CROSSREFS
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Sequence in context: A165233 A074166 A130641 this_sequence A114796 A114790 A079854
Adjacent sequences: A129652 A129653 A129654 this_sequence A129656 A129657 A129658
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KEYWORD
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more,nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), May 19 2007
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EXTENSIONS
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More terms from Donovan Johnson (donovan.johnson(AT)yahoo.com), Feb 26 2008
a(14) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Jul 07 2009
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