Number of binary phylogenetic trees with n labels.
A006680
Number of binary phylogenetic trees with n labels.
Terms
- a(0) =1a(1) =1a(2) =7a(3) =45a(4) =465a(5) =5775a(6) =88515a(7) =1588545a(8) =32852925a(9) =768242475a(10) =20053670175a(11) =577971719325
External references
- oeis: A006680