Number of fusenes with 26 hexagons, C_(2v) symmetry and containing n carbon atoms.

Terms

a(0) =16a(1) =21a(2) =129a(3) =121a(4) =553a(5) =462a(6) =2001a(7) =1454a(8) =6808a(9) =4111a(10) =21081a(11) =11349a(12) =63181a(13) =29269a(14) =180890a(15) =71268a(16) =481635a(17) =163071a(18) =1217590a(19) =344829a(20) =2848636a(21) =647233a(22) =6121628a(23) =1113172a(24) =11846227a(25) =1677481a(26) =20694386a(27) =2076402a(28) =30600504