Number of labeled rooted trees on n nodes such that each internal node has an odd number of children.
A216187
Number of labeled rooted trees on n nodes such that each internal node has an odd number of children.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =6a(4) =28a(5) =200a(6) =1926a(7) =22512a(8) =306104a(9) =4770432a(10) =84234250a(11) =1663735040a(12) =36320155092a(13) =867963393024
External references
- oeis: A216187