Triangle read by rows: T(n,k) is the number of c-nets with n+1 faces and k+1 vertices.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =0a(7) =0a(8) =0a(9) =4a(10) =3a(11) =0a(12) =0a(13) =0a(14) =3a(15) =24a(16) =33a(17) =13a(18) =0a(19) =0a(20) =0a(21) =0a(22) =33a(23) =188a(24) =338a(25) =252a(26) =68a(27) =0a(28) =0a(29) =0