id:A066681 - OEIS Search Results

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Badly sieved numbers (A066680) which are not primes.

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8, 12, 18, 27, 30, 45, 50, 63, 70, 75, 80, 98, 105, 112, 125, 128, 147, 154, 165, 168, 175, 176, 182, 192, 195, 208, 220, 231, 242, 245, 260, 264, 273, 275, 286, 312, 325, 338, 340, 343, 357, 363, 374, 380, 385, 396, 399, 408 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Index entries for sequences generated by sieves`
	EXAMPLE	`8 is the first nonprime in A066680, as multiples of 2 are marked only up to 4 = 2^2 and all other multiples of unmarked numbers < 8 do not hit 8.`
	CROSSREFS	`Sequence in context: A087696 A015897 A028393 this_sequence A120137 A033477 A105936` `Adjacent sequences: A066678 A066679 A066680 this_sequence A066682 A066683 A066684`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Dec 31, 2001`

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Last modified July 6 17:22 EDT 2008. Contains 140988 sequences.

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