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A066793 The start of a record-breaking run of consecutive integers with an even number of prime factors. 4

%I

%S 1,9,14,33,54,140,213,1934,35811,38405,200938,389409,1792209,5606457,

%T 8405437,68780189,880346227,85910903650,87635944146,284340107954,

%U 2195312273836,2864568747364,3155591650029

%N The start of a record-breaking run of consecutive integers with an even number of prime factors.

%C a(21) > 10^12. [From _Donovan Johnson_, Oct 11 2010]

%C a(24) > 10^13. - _Giovanni Resta_, Aug 01 2013

%Y Cf. A066794, A175201.

%K nonn

%O 1,2

%A _G. L. Honaker, Jr._, Jan 18 2002

%E Except for first 4 or 5 terms, computed by _Shyam Sunder Gupta_, Jan 26 2002

%E a(12) and a(14) corrected and a(18)-a(20) from _Donovan Johnson_, Oct 11 2010

%E a(21)-a(23) from _Giovanni Resta_, Aug 01 2013

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Last modified September 30 02:03 EDT 2020. Contains 337432 sequences. (Running on oeis4.)