Number of polyhexes with 24 hexagons, C_(2v) symmetry and containing n carbon atoms.

Terms

a(0) =2a(1) =34a(2) =37a(3) =173a(4) =155a(5) =657a(6) =482a(7) =2206a(8) =1334a(9) =6510a(10) =3315a(11) =18208a(12) =7804a(13) =47329a(14) =16914a(15) =114779a(16) =33879a(17) =258280a(18) =60786a(19) =532865a(20) =98070a(21) =987689a(22) =137195a(23) =1641862a(24) =166882a(25) =2358366a(26) =146898a(27) =2723100a(28) =77267a(29) =2164650