id:A089268 - OEIS Search Results

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Odd semiprimes m such that m-2 is composite.

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35, 51, 57, 65, 77, 87, 93, 95, 119, 121, 123, 143, 145, 155, 161, 177, 185, 187, 203, 205, 209, 215, 217, 219, 221, 237, 247, 249, 267, 287, 289, 291, 299, 301, 303, 305, 321, 323, 327, 329, 335, 341, 365, 371, 377, 393, 395, 407, 413, 415, 417, 427, 437 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`A087942(a(n)) = 0.`
	CROSSREFS	`Cf. A062721, A046315, A001358.` `Sequence in context: A110264 A034105 A034115 this_sequence A039418 A043241 A044021` `Adjacent sequences: A089265 A089266 A089267 this_sequence A089269 A089270 A089271`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 28 2003`

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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.

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