id:A059610 - OEIS Search Results

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Numbers n such that 2^n-9 is prime.

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6

4, 5, 9, 11, 17, 21, 33, 125, 141, 243, 251, 285, 321, 537, 563, 699, 729, 2841, 3365, 8451, 8577, 9699, 9725 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`243 is in the sequence because 2^243-9 is prime.`
	CROSSREFS	`Sequence in context: A031363 A118142 A024821 this_sequence A047610 A126004 A010405` `Adjacent sequences: A059607 A059608 A059609 this_sequence A059611 A059612 A059613`
	KEYWORD	`nonn`
	AUTHOR	`Andrey Kulsha (Andrey_601(AT)tut.by), Feb 02 2001`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.