A143043 - OEIS

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A143043

10^n-th number divisible by exactly 5 distinct primes.

6006, 17490, 67860, 331674, 1980902, 13757850, 106254070, 882141222, 7687451167, 69242679948 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	REFERENCES	`J.-M. De Koninck, Ces nombres qui nous fascinent, Entry 455, pp 94, Ellipses, Paris 2008.`
	FORMULA	`a(n)=A051270(10^n).`
	CROSSREFS	`Cf. A051270.` `Sequence in context: A068132 A115429 A046395 * A206113 A031821 A203352` `Adjacent sequences: A143040 A143041 A143042 * A143044 A143045 A143046`
	KEYWORD	`more,nonn`
	AUTHOR	`Lekraj Beedassy (blekraj(AT)yahoo.com), Jul 18 2008`
	EXTENSIONS	`a(8)-a(10) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Mar 30 2010`

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Last modified February 17 03:45 EST 2012. Contains 205978 sequences.