1,1

Erdős showed that this sequence has density 1/2.

Amiram Eldar, Table of n, a(n) for n = 1..10000

Paul Erdős, Note on the number of prime divisors of integers, J. London Math. Soc., Vol. 12 (1937), pp. 308-314; alternative link.

a(n) ~ 2n. - Charles R Greathouse IV, Dec 05 2012

Select[Range[2, 100], PrimeNu[#] > Log[Log[#]] &] (* Amiram Eldar, Feb 09 2020 *)

(PARI) is(n)=omega(n) > log(log(n)) \\ Charles R Greathouse IV, Dec 05 2012

Cf. A001221.

Sequence in context: A023784 A028823 A258264 * A341750 A246096 A098314

Adjacent sequences: A074736 A074737 A074738 * A074740 A074741 A074742

easy,nonn

Benoit Cloitre, Sep 05 2002

approved