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A106414 Smallest number beginning with 4 that is the product of exactly n distinct primes. 1
41, 46, 42, 462, 4290, 43890, 4001970, 40029990, 406816410, 40026056070, 408036859230, 40013061952710, 405332750552730, 40111962162442170, 4000228915204892370, 40909794684132183810, 4000669166940700163910 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

EXAMPLE

a(1) = 41, a(3) = 42 = 2*3*7..

CROSSREFS

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

Sequence in context: A095507 A095499 A095491 * A068582 A158847 A159023

Adjacent sequences:  A106411 A106412 A106413 * A106415 A106416 A106417

KEYWORD

base,nonn

AUTHOR

Ray Chandler, May 02 2005

STATUS

approved

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Last modified November 18 07:22 EST 2019. Contains 329252 sequences. (Running on oeis4.)