id:A077632 - OEIS Search Results

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LCM of terms in periodic part of continued fraction expansion of square root of 1+2^n.

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2, 4, 3, 8, 10, 16, 66, 32, 220, 64, 235620, 128, 360360, 256, 2508660, 512, 16290726273360, 1024, 23508390120198798054240, 2048, 465977246353354335600, 4096, 3026207803243202829468977760, 8192 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Table[Apply[LCM, Last[ContinuedFraction[Sqrt[1+2^u]]]], {u, 1, 25}]`
	CROSSREFS	`Cf. A077624-A077635.` `Sequence in context: A129593 A026166 A077624 this_sequence A021045 A063379 A000463` `Adjacent sequences: A077629 A077630 A077631 this_sequence A077633 A077634 A077635`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Nov 13 2002`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

AT&T Labs Research