Number of connected outerplanar graphs on n labeled nodes.

A097998

Number of connected outerplanar graphs on n labeled nodes.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =4a(4) =37a(5) =602a(6) =14436a(7) =458062a(8) =18029992a(9) =845360028a(10) =45938606320

External references