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A143042 10^n-th number divisible by exactly 4 distinct primes. 0
660, 2262, 10836, 67512, 510873, 4357756, 39780102, 376957389, 3650049088, 35810556535 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

J.-M. De Koninck, Ces nombres qui nous fascinent, Entry 455, pp 94, Ellipses, Paris 2008.

LINKS

Table of n, a(n) for n=1..10.

FORMULA

a(n)=A033993(10^n).

CROSSREFS

Cf. A033993.

Sequence in context: A113171 A252519 A014362 * A206642 A064261 A235770

Adjacent sequences:  A143039 A143040 A143041 * A143043 A143044 A143045

KEYWORD

more,nonn

AUTHOR

Lekraj Beedassy, Jul 18 2008

EXTENSIONS

a(8)-a(10) from Donovan Johnson, Mar 30 2010

STATUS

approved

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Last modified May 7 05:10 EDT 2021. Contains 343636 sequences. (Running on oeis4.)