Number of semi-lone-child-avoiding locally disjoint rooted trees with n unlabeled leaves.
A331874
Number of semi-lone-child-avoiding locally disjoint rooted trees with n unlabeled leaves.
Terms
- a(0) =2a(1) =3a(2) =8a(3) =24a(4) =67a(5) =214a(6) =687a(7) =2406a(8) =8672a(9) =32641a(10) =125431a(11) =493039a(12) =1964611
External references
- oeis: A331874