A126013 Inverse function of N->N injection A126011.

0, 1, 2, 3, 4, 0, 5, 0, 0, 6, 0, 0, 7, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 10, 0, 0, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 16, 0, 0

Offset: 0

Author

Antti Karttunen, Dec 18 2006

Keywords

• nonn

Comments

a(0)=0 because A126011(0)=0, but a(n) = 0 also for those n which do not occur as values of A126011. All positive natural numbers occur here once.

Links

• A. Karttunen, Scheme-program for computing this sequence.

Crossrefs

a(A126011(n)) = n for all n.