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A074168 Product of prime divisors of the product of composite numbers between consecutive primes. 2
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; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Squarefree numbers sandwiched between twin primes are the corresponding members.

LINKS

Table of n, a(n) for n=0..35.

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: A181812 A076978 A079615 * A117213 A127797 A077634

Adjacent sequences:  A074165 A074166 A074167 * A074169 A074170 A074171

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 30 2002

EXTENSIONS

More terms from Joshua Zucker, May 08 2006

STATUS

approved

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Last modified May 23 16:03 EDT 2013. Contains 225610 sequences.