0,3

Table of n, a(n) for n=0..6.

a(0) = 1, a(1) = pi(1) = 0, a(2) = pi(10) = 4

a(3) = pi(104) = 27.

Cf. A110762.

Sequence in context: A066842 A133032 A271385 * A066352 A249105 A249110

Adjacent sequences: A110760 A110761 A110762 * A110764 A110765 A110766

base,more,nonn

Amarnath Murthy, Aug 11 2005

a(6) from Giovanni Resta, Oct 21 2018

approved