Number of bipartite graphs with n vertices, no isolated vertices and a distinguished bipartite block, up to isomorphism.

A055192

Number of bipartite graphs with n vertices, no isolated vertices and a distinguished bipartite block, up to isomorphism.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =12a(4) =35a(5) =108a(6) =393a(7) =1666a(8) =8543a(9) =54190a(10) =436740a(11) =4565450a(12) =62930604a(13) =1156277748a(14) =28509174012a(15) =946786816168

External references