id:A113458 - OEIS Search Results

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Least k such that k, k+n, and k+2n have the same prime signature.

+0
3

33, 3, 155, 3, 77, 5, 51, 3, 77, 3, 35, 5, 50, 3, 187, 6, 21, 5, 39, 3, 145, 33, 39, 5, 69, 39, 91, 3, 33, 7, 15, 12, 221, 3, 28, 7, 21, 3, 55, 3, 33, 5, 91, 66, 209, 69, 35, 5, 50, 3, 115, 39, 141, 5, 51, 6, 145, 85, 15, 7, 21, 93, 95, 3, 57, 5, 51, 3, 65, 15, 35, 7, 69, 55, 287, 6 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Third row of A113456.`
	EXAMPLE	`a(4) = 3 because 3, 7, and 11 have the same prime signature.`
	CROSSREFS	`Cf. A052214 A113456 A113467.` `Sequence in context: A032445 A135088 A113467 this_sequence A120584 A123173 A138839` `Adjacent sequences: A113455 A113456 A113457 this_sequence A113459 A113460 A113461`
	KEYWORD	`easy,nonn`
	AUTHOR	`David Wasserman (dwasserm(AT)earthlink.net), Jan 08 2006`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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