OFFSET
0,3
EXAMPLE
a(0) = 1, a(1) = pi(1) = 0, a(2) = pi(10) = 4
a(3) = pi(104) = 27.
CROSSREFS
KEYWORD
base,more,nonn
AUTHOR
Amarnath Murthy, Aug 11 2005
EXTENSIONS
a(6) from Giovanni Resta, Oct 21 2018
STATUS
approved