id:A114840 - OEIS Search Results

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Indices of Fibonacci numbers with 5 distinct prime factors.

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30, 36, 42, 44, 45, 50, 57, 63, 66, 68, 69, 75, 76, 98, 111, 118, 124, 134, 141, 153, 169, 172, 183, 185, 201, 202, 203, 213, 218, 229, 247, 253, 267, 302, 303, 329, 335, 347, 363, 371, 373, 377, 381, 382, 386, 395, 398, 413, 415, 439, 443, 461, 497, 501, 529 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Blair Kelly, Fibonacci and Lucas Factorizations.`
	EXAMPLE	`a(1)=30 because 30th fibonacci number consists of 5 distinct prime factors (i.e. 832040 = 2^3 x 5 x 11 x 31 x 61)`
	PROGRAM	`(PARI) n=1; while(n<305, if(omega(fibonacci(n))==5, print1(n, ", ")); n++)`
	CROSSREFS	`Adjacent sequences: A114837 A114838 A114839 this_sequence A114841 A114842 A114843` `Sequence in context: A061842 A109226 A138689 this_sequence A109426 A051657 A130038`
	KEYWORD	`nonn`
	AUTHOR	`Shyam Sunder Gupta (guptass(AT)rediffmail.com), Feb 19 2006`
	EXTENSIONS	`More terms from Ryan Propper (rpropper(AT)stanford.edu), Apr 26 2006`

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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