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A075174 Inverse function of N -> N injection A075173. 6
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified March 3 10:45 EST 2021. Contains 341762 sequences. (Running on oeis4.)