Edge-rooted tree-like octagonal systems (see the Cyvin et al. reference for precise definition).
A121114
Edge-rooted tree-like octagonal systems (see the Cyvin et al. reference for precise definition).
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =15a(5) =168a(6) =1703a(7) =16539a(8) =157416a(9) =1483900a(10) =13928238a(11) =130547475a(12) =1223803350a(13) =11484513612a(14) =107940809223
External references
- oeis: A121114