%I #17 Mar 28 2014 05:59:15
%S 1,1,4,51,1504,66525,4196856,359031967,39705044464,5476674540825
%N Number of ordered pairs of endofunctions f,g on a set of n elements satisfying f(f(f(x))) = g(g(g(x))).
%Y Cf. A000248, A000949.
%K nonn,more
%O 0,3
%A _Chad Brewbaker_, Mar 26 2014
%E a(6)-a(7) from _Giovanni Resta_, Mar 26 2014
%E a(8)-a(9) from _Giovanni Resta_, Mar 28 2014