Number of ordered pairs of endofunctions f,g on a set of n elements satisfying f(f(x)) = g(g(g(x))).
A235325
Number of ordered pairs of endofunctions f,g on a set of n elements satisfying f(f(x)) = g(g(g(x))).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =51a(4) =1072a(5) =31845a(6) =1292616a(7) =68464207a(8) =4555593904a(9) =369790197705
External references
- oeis: A235325