Number of faces in the n-polygon diagonal intersection graph.

Terms

a(0) =5a(1) =12a(2) =25a(3) =51a(4) =81a(5) =155a(6) =221a(7) =376a(8) =445a(9) =782a(10) =953a(11) =1457a(12) =1697a(13) =2501a(14) =2467a(15) =4030a(16) =4501a(17) =6176a(18) =6821a(19) =9087a(20) =9025a(21) =12927a(22) =13989a(23) =17876a(24) =19181a(25) =24130a(26) =21481a(27) =31901a(28) =33857a(29) =41417