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Number of endofunctions on [n] with exactly nine cycles.
2

%I #6 May 29 2016 07:31:31

%S 1,135,11715,848430,56457258,3616660047,228859354295,14526558274800,

%T 933767559522083,61157779792168059,4097522595384976251,

%U 281552808746124677190,19873435970688901729621,1442409484607029199323392,107706418622406296313956423

%N Number of endofunctions on [n] with exactly nine cycles.

%H Alois P. Heinz, <a href="/A273440/b273440.txt">Table of n, a(n) for n = 9..386</a>

%F E.g.f.: -1/9! * log(1+LambertW(-x))^9.

%Y Column k=9 of A060281.

%K nonn

%O 9,2

%A _Alois P. Heinz_, May 22 2016