OFFSET
0,1
COMMENTS
An estimate using the program in A121046 for a(7) is 3.13863199556707166...*10^40. - Hugo Pfoertner, Mar 26 2024
LINKS
Andrew Booker, The Nth Prime Page.
FORMULA
a(n) = A033844(2^n). - Rainer Rosenthal, Mar 25 2024
MATHEMATICA
Table[Prime[2^(2^n)], {n, 0, 5}] (* Harvey P. Dale, Oct 13 2013 *)
PROG
(PARI) f(n) = for(x=0, n, print1(prime(2^2^x)", "))
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Cino Hilliard, Jun 19 2004
EXTENSIONS
a(6) from Rainer Rosenthal, Mar 25 2024
STATUS
approved