id:A073250 - OEIS Search Results

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Nonprime squarefree numbers n such that n+1 is also squarefree and nonprime, but not n-1 and n+2.

+0
4

14, 21, 38, 57, 65, 69, 77, 105, 110, 114, 118, 122, 129, 133, 145, 154, 158, 165, 177, 182, 194, 205, 209, 221, 230, 237, 246, 258, 273, 290, 298, 309, 318, 326, 329, 334, 345, 354, 357, 365, 370, 381, 385, 390, 398, 402, 406, 410, 417, 426, 429, 434, 437 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A000469, A005117, A073248, A073251, A073249.` `Sequence in context: A100467 A094393 A128705 this_sequence A082802 A113190 A092112` `Adjacent sequences: A073247 A073248 A073249 this_sequence A073251 A073252 A073253`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Jul 22 2002`

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

AT&T Labs Research