Number of series-reduced locally disjoint rooted trees with n unlabeled leaves.
A316697
Number of series-reduced locally disjoint rooted trees with n unlabeled leaves.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =10a(5) =24a(6) =49a(7) =112a(8) =241a(9) =548a(10) =1218a(11) =2839a(12) =6547a(13) =15572a(14) =37179a(15) =90555a(16) =222065a(17) =552576a(18) =1384820a(19) =3506475a(20) =8936121a(21) =22941280
External references
- oeis: A316697