id:A121874 - OEIS Search Results

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Numbers n such that Fibonacci(n) == 0 (mod triangular(n)).

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1, 10, 60, 108, 180, 240, 250, 540, 600, 660, 768, 1008, 1200, 1320, 1620, 1800, 1860, 2160, 2520, 2688, 2736, 3000, 3060, 3300, 3360, 3528, 3888, 4200, 4800, 4860, 4968, 5050, 5280, 5520, 5580, 5880, 6120, 6480, 6600, 6720, 6840, 7320, 7560, 7680, 8100 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Zero terms of A121343.`
	FORMULA	`Numbers n where A000045(n) == 0 (mod A000217(n)).`
	MATHEMATICA	`Select[Range@10000, Mod[Fibonacci@#, #(# + 1)/2] == 0 &]`
	CROSSREFS	`Cf. A121343, A000045, A000217.` `Sequence in context: A046762 A066290 A065641 this_sequence A144560 A076160 A004406` `Adjacent sequences: A121871 A121872 A121873 this_sequence A121875 A121876 A121877`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v, Aug 31 2006`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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