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A174900 a(n) = the smallest numbers k such that A007955(k) = n, or 0 if there is no such k, where A007955(m) = product of divisors of m. 0
1, 2, 3, 0, 5, 0, 7, 4, 0, 0, 11, 0, 13, 0, 0, 0, 17, 0, 19, 0, 0, 0, 23, 0, 0, 0, 9, 0, 29, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(n) = the largest numbers k such that A007955 (k) = n, or 0 if there is no such k.

LINKS

Table of n, a(n) for n=1..30.

CROSSREFS

Sequence in context: A047814 A101991 A296065 * A175880 A071376 A064502

Adjacent sequences:  A174897 A174898 A174899 * A174901 A174902 A174903

KEYWORD

nonn

AUTHOR

Jaroslav Krizek, Apr 01 2010

STATUS

approved

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Last modified February 28 01:15 EST 2020. Contains 332319 sequences. (Running on oeis4.)