2,1

This sequence grows very slowly. First n for which a(n) = 5 is 190, then 556 for 6, 1821 for 7, etc. - Alonso del Arte, Feb 27 2012

Table of n, a(n) for n=2..106.

a(6) = 2 because pi(6) = 3 and 6/3 = 2.

a(7) = 2 because pi(7) = 4 and 7/4 = 1.75, which rounds up to 2.

Table[ Round[ n / PrimePi[ n]], {n, 2, 106}]

Cf. A107610, A107614.

Sequence in context: A111859 A156822 A130635 * A243113 A258198 A204562

Adjacent sequences: A107606 A107607 A107608 * A107610 A107611 A107612

nonn

Jonathan Vos Post and Robert G. Wilson v, May 17 2005

approved