id:A063848 - OEIS Search Results

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Numbers n such that mu(n) + mu(n+1) + mu(n+2) = 2.

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14, 20, 32, 34, 38, 55, 56, 84, 86, 91, 92, 94, 117, 118, 121, 122, 132, 133, 140, 142, 143, 144, 145, 158, 159, 176, 183, 200, 202, 203, 204, 205, 208, 212, 214, 215, 216, 218, 219, 235, 247, 252, 297, 298, 299, 300, 302, 303, 319, 325, 326, 327, 328, 333 (list; graph; listen)

	OFFSET	`1,1`
	PROGRAM	`(PARI) m(n) = moebius(n)+moebius(n+1)+moebius(n+2); j=[]; for(n=1, 1000, if(m(n)==2, j=concat(j, n))); j`
	CROSSREFS	`Cf. A063838.` `Adjacent sequences: A063845 A063846 A063847 this_sequence A063849 A063850 A063851` `Sequence in context: A074851 A087678 A108874 this_sequence A110968 A054017 A129216`
	KEYWORD	`easy,nonn`
	AUTHOR	`Jason Earls (jcearls(AT)cableone.net), Aug 26 2001`

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Last modified May 16 01:24 EDT 2008. Contains 139630 sequences.

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