Related to enumeration of free catapolyoctagons (see Cyvin reference for precise definition).
A121122
Related to enumeration of free catapolyoctagons (see Cyvin reference for precise definition).
Terms
- a(0) =0a(1) =2a(2) =14a(3) =106a(4) =801a(5) =6341a(6) =51632a(7) =431503a(8) =3678308a(9) =31873041a(10) =279902507a(11) =2485759768a(12) =22286120125a(13) =201441772806
External references
- oeis: A121122