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A106415 Smallest number beginning with 5 that is the product of exactly n distinct primes. 1
5, 51, 506, 510, 5610, 51870, 510510, 50169210, 504894390, 50012172210, 503520607590, 50001975553530, 501601785815130, 50073188107872930, 5000089945706645790, 50617203592231346070, 5000858931483646541310 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

EXAMPLE

a(4) = 510 = 2*3*5*17.

CROSSREFS

Cf. A077326-A077334, A106411-A106419, A106421-A106429.

Sequence in context: A145641 A317782 A195211 * A212819 A088320 A041040

Adjacent sequences:  A106412 A106413 A106414 * A106416 A106417 A106418

KEYWORD

base,nonn

AUTHOR

Ray Chandler, May 02 2005

STATUS

approved

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Last modified January 29 11:16 EST 2020. Contains 331337 sequences. (Running on oeis4.)