id:A166458 - OEIS Search Results

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n*10-(-1)^n is prime.

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1, 2, 3, 6, 7, 8, 13, 14, 15, 18, 19, 20, 21, 24, 25, 27, 31, 33, 36, 38, 42, 43, 44, 48, 49, 50, 57, 60, 62, 63, 66, 69, 72, 74, 75, 77, 81, 84, 86, 91, 92, 97, 99, 102, 103, 104, 105, 109, 115, 117, 123, 126, 128, 129, 132, 140, 144, 145, 146, 147, 150, 151, 153, 156 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`if 110-(-1)^1=11=prime, then a(1)=1; if 210-(-1)^2=19=prime, then a(2)=2; if 310-(-1)^3=31=prime, then a(3)=3; if 610-(-1)^6=59=prime, then a(4)=6.`
	CROSSREFS	`Cf. A000027, A000040.` `Sequence in context: A061885 A138683 A072426 this_sequence A127330 A035346 A066646` `Adjacent sequences: A166455 A166456 A166457 this_sequence A166459 A166460 A166461`
	KEYWORD	`nonn`
	AUTHOR	`Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Oct 14 2009`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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