OFFSET
0,2
LINKS
FORMULA
MATHEMATICA
Table[PrimePi[5^n], {n, 0, 19}]
PROG
(PARI) a(n) = primepi(5^n); \\ Michel Marcus, Aug 25 2014
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Jun 09 2000
EXTENSIONS
a(19) corrected by Henri Lifchitz, Nov 11 2012
a(20)-a(27) from Henri Lifchitz, Nov 11 2012
a(28)-a(32) from Henri Lifchitz, Aug 25 2014
Definition corrected by Jean-Claude Arbaut, Oct 07 2015
STATUS
approved