Number of series-reduced rooted trees with n leaves of exactly two colors.
A319377
Number of series-reduced rooted trees with n leaves of exactly two colors.
Terms
- a(0) =1a(1) =6a(2) =30a(3) =146a(4) =719a(5) =3590a(6) =18283a(7) =94648a(8) =497757a(9) =2652898a(10) =14307845a(11) =77958746a(12) =428588051a(13) =2374676854a(14) =13247984959a(15) =74357762790a(16) =419604029622
External references
- oeis: A319377