1,1

a(n)=A000040(n) for n<=34, but A000040(35)=149 is a term of A115231;

A115233 is a subsequence; the union with A115231 gives all primes (A000040);

A006512 and A053703 are subsequences.

Table of n, a(n) for n=1..59.

Cf. A000079, A061345.

Sequence in context: A057448 A049551 A058853 * A049569 A100725 A050260

Adjacent sequences: A115229 A115230 A115231 * A115233 A115234 A115235

nonn

Reinhard Zumkeller, Jan 17 2006

Recomputed (based on recomputation of A115230) by R. J. Mathar and Reinhard Zumkeller, Apr 29 2010.

Edited by N. J. A. Sloane, Apr 30 2010

approved