Related to enumeration of rooted catapolyoctagons (see Cyvin reference for precise definition).
A121115
Related to enumeration of rooted catapolyoctagons (see Cyvin reference for precise definition).
Terms
- a(0) =0a(1) =1a(2) =10a(3) =87a(4) =742a(5) =6355a(6) =54972a(7) =480676a(8) =4246156a(9) =37857609a(10) =340321820a(11) =3081805727a(12) =28089617550a(13) =257516093302
External references
- oeis: A121115