Number of weakly transitive ordered rooted trees with n nodes.
A358454
Number of weakly transitive ordered rooted trees with n nodes.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =6a(5) =13a(6) =33a(7) =80a(8) =201a(9) =509a(10) =1330a(11) =3432a(12) =8982a(13) =23559a(14) =62189
External references
- oeis: A358454