id:A077635 - OEIS Search Results

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LCM of terms in periodic part of continued fraction expansion of square root of -1+3^n.

+0
12

2, 4, 10, 16, 210, 52, 10764, 160, 840, 484, 78225840, 1456, 5729631692400, 4372, 932723933480442148565520, 13120, 202096081896183783466278120, 39364, 1505075187143521116689096930825555405884185492185368021027531191578186233461600 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Table[Apply[LCM, Last[ContinuedFraction[Sqrt[ -1+3^u]]]], {u, 1, 25}]`
	CROSSREFS	`Cf. A077624-A077635.` `Sequence in context: A117862 A105024 A050871 this_sequence A125754 A097870 A034455` `Adjacent sequences: A077632 A077633 A077634 this_sequence A077636 A077637 A077638`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Nov 13 2002`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research