id:A080324 - OEIS Search Results

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Union of even square-free numbers (A001747) and square-free numbers for which the number of prime factors is even (A030229).

+0
2

1, 2, 6, 10, 14, 15, 21, 22, 26, 30, 33, 34, 35, 38, 39, 42, 46, 51, 55, 57, 58, 62, 65, 66, 69, 70, 74, 77, 78, 82, 85, 86, 87, 91, 93, 94, 95, 102, 106, 110, 111, 114, 115, 118, 119, 122, 123, 129, 130, 133, 134, 138, 141, 142, 143, 145, 146, 154, 155, 158, 159, 161 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`m is a term iff mu(m)^m > 0 (A080323(a(n))>0), where mu is the Moebius function (A008683).`
	CROSSREFS	`Cf. A056912.` `Sequence in context: A049838 A074929 A095270 this_sequence A130319 A067368 A080456` `Adjacent sequences: A080321 A080322 A080323 this_sequence A080325 A080326 A080327`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 14 2003`

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Last modified September 5 23:56 EDT 2008. Contains 143485 sequences.

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