id:A114306 - OEIS Search Results

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Numbers n such that Fibonacci(n) has more divisors than n does.

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9, 12, 15, 16, 18, 19, 20, 21, 24, 25, 27, 28, 30, 31, 32, 33, 35, 36, 37, 38, 39, 40, 41, 42, 44, 45, 46, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 84, 85, 86, 87, 88, 89, 90, 91 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`15 is in the sequence because 610 (=Fibonacci(15)) has more divisors than 15.`
	MAPLE	`with(combinat): with(numtheory): b:=proc(n) if tau(fibonacci(n))>tau(n) then n else fi end: seq(b(n), n=1..100); - Emeric Deutsch (deutsch(AT)duke.poly.edu), May 13 2006`
	CROSSREFS	`Sequence in context: A110647 A032687 A044859 this_sequence A009188 A138299 A050435` `Adjacent sequences: A114303 A114304 A114305 this_sequence A114307 A114308 A114309`
	KEYWORD	`nonn`
	AUTHOR	`Shyam Sunder Gupta (guptass(AT)rediffmail.com), Feb 05 2006`

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

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