Number of reciprocally monophyletic coalescence sequences for 2n lineages, n each in 2 species.
A306266
Number of reciprocally monophyletic coalescence sequences for 2n lineages, n each in 2 species.
Terms
- a(0) =1a(1) =2a(2) =54a(3) =6480a(4) =2268000a(5) =1837080000
External references
- oeis: A306266