OFFSET
1,1
COMMENTS
a(23) > 10^12. [Donovan Johnson, Oct 11 2010]
EXAMPLE
a(3)=170 because this is the start of third record breaking run of consecutive composite integers (170,171,172) with an odd number of prime factors (170=2*5*17, 171=3*3*19, 172=2*2*43).
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Shyam Sunder Gupta, Jan 27 2002
EXTENSIONS
a(18)-a(21) from Donovan Johnson, Sep 09 2008
a(22) from Donovan Johnson, Oct 11 2010
STATUS
approved