1,2

a(11)=9 because a(11) in sequence A068192 is 23 and this is the 9th prime number.

Table of n, a(n) for n=1..70.

Cf. A068192.

Sequence in context: A175948 A269853 A269854 * A257736 A265573 A265557

Adjacent sequences: A068190 A068191 A068192 * A068194 A068195 A068196

nonn

Frank Buss (fb(AT)frank-buss.de), Feb 19 2002

Edited by Dean Hickerson, Jun 10 2002

approved