Number of increasing trees with branches of height 1.
A125307
Number of increasing trees with branches of height 1.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =15a(4) =80a(5) =480a(6) =3444a(7) =27790a(8) =253504a(9) =2556792a(10) =28382880a(11) =343071168a(12) =4490999424a(13) =63253633872a(14) =954133373088
External references
- oeis: A125307