Number of ordered pairs of edge-disjoint trees on n labeled vertices.
A291952
Number of ordered pairs of edge-disjoint trees on n labeled vertices.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =12a(4) =1140a(5) =147240a(6) =27351240a(7) =7080803520
External references
- oeis: A291952