A154573 a(n) is the first term in a chain of at least n consecutive numbers each with exactly 8 distinct prime factors.

9699690, 65893166030, 10042712381260

Offset

1,1

Comments

For exactly 9 distinct prime factors, a(1) = 223092870 and a(2) = 5702759516090.

Links

Table of n, a(n) for n=1..3.

Crossrefs

Cf. A087977, A087978, A138206, A138207.

Sequence in context: A258363 A147575 A046326 * A058332 A058328 A242806

Adjacent sequences: A154570 A154571 A154572 * A154574 A154575 A154576

Keyword

bref,nonn

Author

Donovan Johnson, Jan 15 2009

Status

approved