Number of unlabeled and connected graphs on n vertices which are either bipartite or co-bipartite.

A079565

Number of unlabeled and connected graphs on n vertices which are either bipartite or co-bipartite.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =6a(4) =16a(5) =49a(6) =129a(7) =481a(8) =1845a(9) =9506a(10) =57896a(11) =463909a(12) =4769436a(13) =65179170a(14) =1187099045a(15) =29082860878a(16) =960963147303

External references