OFFSET
0,1
COMMENTS
a(n) is the smallest number m such that pi(m)=d(m)^n, where d(m) is number of positive divisors of m (the proof is easy). - Farideh Firoozbakht, Jun 06 2005
LINKS
David Baugh, Table of n, a(n) for n = 0..78 (terms n = 0..57 from Charles R Greathouse IV, terms n = 58..78 found using Kim Walisch's primecount program).
MATHEMATICA
Table[Prime[2^n], {n, 0, 32}]
PROG
(PARI) a(n)=prime(2^n) \\ Charles R Greathouse IV, Nov 02 2014
CROSSREFS
KEYWORD
nonn,hard
AUTHOR
Vasiliy Danilov (danilovv(AT)usa.net), Jun 15 1998
EXTENSIONS
More terms from Robert G. Wilson v, Jun 09 2000
STATUS
approved