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Search: id:a247056
Displaying 1-1 of 1 result found. page 1
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A247056 Number of endofunctions on [n] that are the 9th power of an endofunction. +0
1
1, 1, 4, 19, 116, 925, 9286, 110131, 1487144, 22607353, 384379370 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
Table of n, a(n) for n=0..10.
EXAMPLE
a(3) = 19: (1,1,1), (1,1,3), (1,2,1), (1,2,2), (1,2,3), (1,3,2), (1,3,3), (2,1,1), (2,1,2), (2,1,3), (2,2,2), (2,2,3), (2,3,2), (3,1,1), (3,2,1), (3,2,3), (3,3,1), (3,3,2), (3,3,3).
CROSSREFS
Column k=9 of A247026.
KEYWORD
nonn,more
AUTHOR
Alois P. Heinz, Sep 10 2014
EXTENSIONS
a(8)-a(10) from Bert Dobbelaere, Jan 25 2019
STATUS
approved
page 1

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Last modified August 22 01:28 EDT 2024. Contains 375353 sequences. (Running on oeis4.)