OFFSET
1,2
COMMENTS
As (prime(n))' = 1, A016789(59) = 179 = prime(41) is confirmed.
The 13025th prime number out of 10^5 prime numbers is prime(25997) = 299993.
LINKS
Freimut Marschner, Table of n, a(n) for n = 1..100000
EXAMPLE
a(3) = (3*3 + 2)' = (11)' = 1, a(59) = (3*59 + 2)' = (179)' = 1.
CROSSREFS
KEYWORD
nonn
AUTHOR
Freimut Marschner, Aug 06 2014
STATUS
approved