0,2

A071681(a(n))=n and A071681(m)<>n for m<a(n), A000040(a(n))=A126204(n).

Table of n, a(n) for n=0..57.

Sequence in context: A207459 A241515 A070334 * A241544 A208716 A195821

Adjacent sequences: A137697 A137698 A137699 * A137701 A137702 A137703

nonn

Reinhard Zumkeller, Feb 07 2008

Corrected description suggested by Zak Seidov, May 16 2008

approved