%I #9 Jul 18 2014 12:29:02
%S 1,1,14,411,19912,1412745,136537056,17121680443
%N Number of pairs of functions (f,g) from a set of n elements into itself satisfying f(g(g(x))) = f(g(x)).
%Y Cf. A181162.
%K nonn,more
%O 0,3
%A _Chad Brewbaker_, Mar 26 2014
%E a(6)-a(7) from _Giovanni Resta_, Mar 28 2014