Number of riffs on n or fewer nodes. Number of rotes on 2n+1 or fewer nodes.
A112846
Number of riffs on n or fewer nodes. Number of rotes on 2n+1 or fewer nodes.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =10a(4) =30a(5) =103a(6) =384a(7) =1508a(8) =6126a(9) =25513a(10) =108278a(11) =466523a(12) =2034981a(13) =8968746a(14) =39875940a(15) =138760603a(16) =178636543a(17) =3026583484a(18) =16028356176a(19) =75647274620a(20) =350111055991
External references
- oeis: A112846