Number of inequivalent n-gons.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =4a(5) =14a(6) =54a(7) =332a(8) =2246a(9) =18264a(10) =164950a(11) =1664354a(12) =18423144a(13) =222406776a(14) =2905943328a(15) =40865005494a(16) =615376173184