id:A075039 - OEIS Search Results

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Smallest of three consecutive square-free numbers having equal numbers of prime factors.

+0
3

33, 85, 93, 141, 201, 213, 217, 301, 393, 445, 633, 697, 921, 1041, 1137, 1261, 1309, 1345, 1401, 1641, 1761, 1837, 1885, 1893, 1941, 1981, 2013, 2101, 2181, 2217, 2305, 2361, 2433, 2461, 2517, 2641, 2665, 2721, 2733, 3097, 3385, 3601, 3693, 3729, 3865 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`A001221(a(n))=A001222(a(n))=A001221(a(n)+1)=A001222(a(n)+1).`
	LINKS	`Matthew M. Conroy, Home page (listed instead of email address)`
	EXAMPLE	`33 is a member as 33, 34 and 35 are of the form p*q where p and q are primes.`
	CROSSREFS	`Cf. A005117, A052214, A086263, A039833.` `Sequence in context: A005238 A052214 A063838 this_sequence A039833 A080700 A080200` `Adjacent sequences: A075036 A075037 A075038 this_sequence A075040 A075041 A075042`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 03 2002`
	EXTENSIONS	`More terms from Matthew M. Conroy, Sep 08 2002` `Edited by Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 14 2003`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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