Number of homeomorphically irreducible trees with n integer labeled leaves covering an initial interval of positive integers.
A339781
Number of homeomorphically irreducible trees with n integer labeled leaves covering an initial interval of positive integers.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =22a(5) =184a(6) =2278a(7) =37076a(8) =747830a(9) =17938120a(10) =498221046a(11) =15716127456a(12) =554857740936
External references
- oeis: A339781