Number of polyhedra (3-polytopes) of graph radius 1 on n edges.

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =1a(5) =1a(6) =2a(7) =2a(8) =4a(9) =5a(10) =7a(11) =10a(12) =16a(13) =27a(14) =42a(15) =67a(16) =116a(17) =187a(18) =329a(19) =570a(20) =970a(21) =1723a(22) =3021a(23) =5338a(24) =9563a(25) =16981a(26) =30517a(27) =54913a(28) =98847a(29) =179119