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A106427 Smallest number beginning with 7 and having exactly n prime divisors counted with multiplicity. 1
7, 74, 70, 708, 72, 729, 704, 7056, 768, 7776, 7168, 70656, 71680, 702464, 73728, 746496, 720896, 7225344, 786432, 7962624, 7077888, 71663616, 70778880, 700710912, 75497472, 764411904, 704643072, 7113539584, 7046430720 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..29.

EXAMPLE

a(3) = 70 = 2*5*7.

CROSSREFS

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

Sequence in context: A292012 A051154 A172257 * A106417 A137141 A275618

Adjacent sequences:  A106424 A106425 A106426 * A106428 A106429 A106430

KEYWORD

base,nonn

AUTHOR

Ray Chandler, May 02 2005

STATUS

approved

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Last modified November 21 04:33 EST 2019. Contains 329350 sequences. (Running on oeis4.)