Number of fused bicyclic skeletons with n carbon atoms (see Parks et al. for precise definition).
A121327
Number of fused bicyclic skeletons with n carbon atoms (see Parks et al. for precise definition).
Terms
- a(0) =0a(1) =1a(2) =4a(3) =17a(4) =56a(5) =187a(6) =586a(7) =1827a(8) =5562a(9) =16811a(10) =50225a(11) =149135a(12) =439818a(13) =1290975a(14) =3772259a(15) =10983684a(16) =31878940a(17) =92278466a(18) =266481212a(19) =767972142a(20) =2209210615a(21) =6345086203
External references
- oeis: A121327