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A106417 Smallest number beginning with 7 that is the product of exactly n distinct primes. 1
7, 74, 70, 714, 7410, 71610, 746130, 70387590, 703600590, 70015935990, 700288518930, 7420738134810, 701098433345310, 70016268785853390, 757887406446280110, 70025936403159126390, 7001749954335151685670 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
a(3) = 70 = 2*5*7.
CROSSREFS
Sequence in context: A172257 A367179 A106427 * A137141 A275618 A114472
KEYWORD
base,nonn
AUTHOR
Ray Chandler, May 02 2005
STATUS
approved

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Last modified April 16 11:35 EDT 2024. Contains 371711 sequences. (Running on oeis4.)