Number of labeled histories for rooted 4-furcating trees with 3n+1 leaves if simultaneous 4-furcations are not allowed.
A381536
Number of labeled histories for rooted 4-furcating trees with 3n+1 leaves if simultaneous 4-furcations are not allowed.
Terms
- a(0) =1a(1) =1a(2) =35a(3) =7350a(4) =5255250a(5) =9564555000
External references
- oeis: A381536