1,6
Example: for p(6)=13, the primes counted are 7 and 11.
Sequence in context: A105972 A011030 A005681 * A152026 A060806 A128868
Adjacent sequences: A049845 A049846 A049847 * A049849 A049850 A049851
nonn
Clark Kimberling (ck6(AT)evansville.edu)