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A247059
Number of endofunctions on [n] that are the n-th power of an endofunction.
1
1, 1, 3, 19, 73, 1281, 3136, 169681, 844929, 22607353, 169431706
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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
Main diagonal of
A247026
.
Sequence in context:
A215802
A202041
A245507
*
A243142
A174286
A336589
Adjacent sequences:
A247056
A247057
A247058
*
A247060
A247061
A247062
KEYWORD
nonn
,
more
AUTHOR
Alois P. Heinz
, Sep 10 2014
EXTENSIONS
a(8)-a(10) from
Bert Dobbelaere
, Jan 25 2019
STATUS
approved
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Last modified August 18 16:14 EDT 2024. Contains 375269 sequences. (Running on oeis4.)