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%I #10 Jan 25 2019 08:31:12
%S 1,1,3,19,73,1281,3136,169681,844929,22607353,169431706
%N Number of endofunctions on [n] that are the n-th power of an endofunction.
%e 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).
%Y Main diagonal of A247026.
%K nonn,more
%O 0,3
%A _Alois P. Heinz_, Sep 10 2014
%E a(8)-a(10) from _Bert Dobbelaere_, Jan 25 2019