id:A081765 - OEIS Search Results

Search: id:A081765

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

+0
3

1, 7, 13, 19, 31, 37, 49, 55, 61, 67, 85, 91, 109, 121, 127, 139, 157, 175, 181, 193, 199, 211, 217, 235, 247, 265, 289, 301, 307, 313, 319, 325, 337, 379, 391, 397, 409, 415, 445, 451, 469, 487, 499, 517, 535, 541, 571, 577, 589, 595, 631, 667, 679, 685, 691 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Is a(n)/n/log(n)/log(log(n)) bounded ?`
	CROSSREFS	`Adjacent sequences: A081762 A081763 A081764 this_sequence A081766 A081767 A081768` `Sequence in context: A038160 A106870 A040038 this_sequence A091180 A053458 A040058`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 09 2003`

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Last modified October 15 20:12 EDT 2008. Contains 145099 sequences.

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