Array read by antidiagonals: T(n,m) is the number of acyclic edge sets in the complete bipartite graph K_{n,m}.

A328887

Array read by antidiagonals: T(n,m) is the number of acyclic edge sets in the complete bipartite graph K_{n,m}.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =4a(8) =4a(9) =1a(10) =1a(11) =8a(12) =15a(13) =8a(14) =1a(15) =1a(16) =16a(17) =54a(18) =54a(19) =16a(20) =1a(21) =1a(22) =32a(23) =189a(24) =328a(25) =189a(26) =32a(27) =1a(28) =1a(29) =64

External references