id:A117551 - OEIS Search Results

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Indices of Fibonacci numbers with 15 distinct prime factors.

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180, 210, 276, 280, 288, 312, 320, 340, 342, 416, 464, 476, 486, 516, 558, 564, 651, 665, 676, 708, 730, 735, 752, 776, 783, 837, 848, 856, 890, 992, 999 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Blair Kelly, Fibonacci and Lucas Factorizations.`
	EXAMPLE	`F(180) = 2^4 * 3^3 * 5 * 11 * 17 * 19 * 31 * 41 * 61 * 107 * 181 * 541 * 2521 * 109441 * 10783342081 has 15 distinct prime factors, so 180 is in the sequence.`
	CROSSREFS	`Cf. A114823-A114826, A114836-A114841.` `Sequence in context: A036203 A053325 A119542 this_sequence A068545 A068403 A030636` `Adjacent sequences: A117548 A117549 A117550 this_sequence A117552 A117553 A117554`
	KEYWORD	`hard,more,nonn`
	AUTHOR	`Ryan Propper (rpropper(AT)stanford.edu), Apr 26 2006`

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

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