a(n) = 1/n times the number of n-colorings of the complete bipartite graph K_(n,n).
A282245
a(n) = 1/n times the number of n-colorings of the complete bipartite graph K_(n,n).
Terms
- a(0) =0a(1) =1a(2) =14a(3) =453a(4) =25444a(5) =2214105a(6) =276079026a(7) =46716040525
External references
- oeis: A282245