OFFSET
0,2
COMMENTS
Pi(x) is the prime counting function or the number of primes <= x. SumP(x) = sum of primes <= x.
For 2n = 20, we get a negative value -2830020810398. This seems strange to me.
I emailed Marc Deleglise on this. The links shows the Pi(x) and SumP(x) values.
LINKS
Cino Hilliard, Comparison of Pi(x^2) and SumP(x). [broken link]
FORMULA
CROSSREFS
KEYWORD
sign,more
AUTHOR
Cino Hilliard, Jun 11 2008
EXTENSIONS
a(12)-a(14) from Amiram Eldar, Jun 30 2024
STATUS
approved