id:A077634 - OEIS Search Results

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

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2, 6, 30, 18, 90, 54, 106260, 162, 26040, 486, 341725784400, 1458, 6564164506066423389173040, 4374, 177815552218920, 13122, 2998833665484118393000638135815684490471025925316000, 39366 (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: A074168 A117213 A127797 this_sequence A095198 A126989 A128040` `Adjacent sequences: A077631 A077632 A077633 this_sequence A077635 A077636 A077637`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Nov 13 2002`

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Last modified July 6 17:22 EDT 2008. Contains 140988 sequences.

AT&T Labs Research