OFFSET
1,1
COMMENTS
LINKS
R. E. Dressler and S. T. Parker, Primes with a prime subscript, J. ACM 22 (1975) 380-381.
EXAMPLE
Prime(Prime(1)) = Prime(2) = 3 and Prime(Prime(2)) = Prime(3) = 5 and Prime(Prime(3)) = Prime(5) = 11, so 2 and 7 are members.
CROSSREFS
KEYWORD
nonn,fini,full
AUTHOR
Jonathan Sondow, Jul 10 2012
STATUS
approved