A239766 Number of pairs of functions (f,g) from a set of n elements into itself satisfying f(f(x)) = f(g(g(x))).
1, 1, 10, 195, 5992, 260085, 14922576, 1087100371
Offset: 0
Crossrefs
Cf. A181162.
Extensions
a(6)-a(7) from Giovanni Resta, Mar 28 2014