id:A081856 - OEIS Search Results

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Numbers n such that (2n-1) divides (2^n-1).

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1, 2, 8, 128, 228, 648, 1352, 1908, 3240, 4608, 5220, 5976, 11448, 13160, 13920, 21528, 22050, 23760, 23940, 24840, 30960, 31284, 31584, 31968, 32768, 37224, 46092, 46512, 47268, 60480, 65664, 66528, 78540, 78600, 81728, 82800, 84312 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A009360 A156497 A064205 this_sequence A038533 A030164 A139290` `Adjacent sequences: A081853 A081854 A081855 this_sequence A081857 A081858 A081859`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 11 2003`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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