Number of edges in all noncrossing connected graphs on n nodes on a circle.

A045741

Number of edges in all noncrossing connected graphs on n nodes on a circle.

Terms

    a(0) =1a(1) =9a(2) =82a(3) =765a(4) =7266a(5) =69930a(6) =679764a(7) =6659037a(8) =65635570a(9) =650194974a(10) =6467730204a(11) =64562259762a(12) =646399361076

External references