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A247055 Number of endofunctions on [n] that are the 8th power of an endofunction. 1

%I #10 Jan 24 2019 15:44:05

%S 1,1,3,12,73,580,5601,63994,844929,12647016,211616785

%N Number of endofunctions on [n] that are the 8th power of an endofunction.

%e a(3) = 12: (1,1,1), (1,1,3), (1,2,1), (1,2,2), (1,2,3), (1,3,3), (2,2,2), (2,2,3), (2,3,1), (3,1,2), (3,2,3), (3,3,3).

%Y Column k=8 of A247026.

%K nonn,more

%O 0,3

%A _Alois P. Heinz_, Sep 10 2014

%E a(8)-a(10) from _Bert Dobbelaere_, Jan 24 2019

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