id:A074168 - OEIS Search Results

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Product of prime divisors of the product of composite numbers between consecutive primes.

+0
3

1, 2, 6, 30, 6, 210, 6, 2310, 2730, 30, 39270, 7410, 42, 7590, 46410, 1272810, 30, 930930, 82110, 6, 21111090, 1230, 48969690, 1738215570, 2310, 102, 144690, 6, 85470, 29594505363092670, 16770, 49990710, 138, 7849357706190, 30, 300690390 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Square-free numbers sandwiched between twin primes are the corresponding members.`
	EXAMPLE	`a(4) = product of prime divisors of the product of composite numbers between 7 and 11 = 2 * 3 * 5 = 30.`
	CROSSREFS	`Cf. A074167.` `Sequence in context: A030538 A076978 A079615 this_sequence A117213 A127797 A077634` `Adjacent sequences: A074165 A074166 A074167 this_sequence A074169 A074170 A074171`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 30 2002`
	EXTENSIONS	`More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 08 2006`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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