A075174 Inverse function of N -> N injection A075173.

1, 2, 3, 6, 0, 4, 0, 12, 5, 10, 15, 30, 0, 20, 0, 60, 0, 0, 0, 0, 0, 8, 0, 24, 0, 0, 0, 0, 0, 40, 0, 120, 0, 0, 9, 18, 0, 0, 0, 36, 0, 0, 45, 90, 0, 0, 0, 180, 0, 0, 0, 0, 0, 0, 0, 72, 0, 0, 0, 0, 0, 0, 0, 360, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 48, 0, 0, 0, 0, 0

Offset

0,2

Comments

a(n) = 0 for those n which do not occur as the values of A075173. All positive natural numbers occur here once.

Links

Table of n, a(n) for n=0..92.

Crossrefs

a(A075173(n)) = n for all n >= 1. Differs from A075176 for first time at a(18) = 0, while A075176(18) = 9.

Sequence in context: A141186 A078682 A331205 * A075176 A134972 A078890

Adjacent sequences: A075171 A075172 A075173 * A075175 A075176 A075177

Keyword

nonn

Author

Antti Karttunen, Sep 13 2002

Status

approved