Numbers of circuits of length 2n in K_{n,n} (the complete bipartite graph on 2n vertices).

A172286

Numbers of circuits of length 2n in K_{n,n} (the complete bipartite graph on 2n vertices).

Terms

    a(0) =2a(1) =32a(2) =1458a(3) =131072a(4) =19531250a(5) =4353564672

External references