A077328 - OEIS

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A077328

Smallest number beginning with 3 and having exactly n distinct prime divisors.

9

3, 33, 30, 330, 3570, 30030, 3008460, 30120090, 300690390, 30043474230, 304075581810, 30035662366710, 304250263527210, 30078810535603830, 3001252188252588270, 32589158477190044730, 3003056284355533696290

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..17.

EXAMPLE

a(1) = 3, a(6) = 30030 = 2*3*5*7*11*13.

CROSSREFS

Cf. A077326, A077327, A077329, A077330, A077331, A077332, A077333, A077334.

Cf. A106411-A106419, A106421-A106429.

Sequence in context: A134474 A096469 A106423 * A106413 A284064 A101968

Adjacent sequences: A077325 A077326 A077327 * A077329 A077330 A077331

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Nov 04 2002

EXTENSIONS

Correct a(3)=30 and add a(5)-a(10) from Ray Chandler, Apr 17 2005

More terms from Ray Chandler, May 02 2005

STATUS

approved