Number of unrooted labeled trees on 4n+2 nodes with node degree either one or five.
A274083
Number of unrooted labeled trees on 4n+2 nodes with node degree either one or five.
Terms
- a(0) =1a(1) =6a(2) =3150a(3) =12612600a(4) =192972780000
External references
- oeis: A274083