1,2

Table of n, a(n) for n=1..64.

a(13) = 21 because 21 is the lowest term appearing after 12 in A067581

Cf. A067581.

Sequence in context: A134336 A131207 A032981 * A023766 A023793 A032947

Adjacent sequences: A136329 A136330 A136331 * A136333 A136334 A136335

base,easy,nonn

Johan SĂ¤rnbratt, Mar 27 2008

approved