Number of series-reduced balanced rooted trees with n labeled leaves.
A320155
Number of series-reduced balanced rooted trees with n labeled leaves.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =11a(5) =41a(6) =162a(7) =1030a(8) =7205a(9) =55522a(10) =442443a(11) =3810852a(12) =35272030a(13) =351697516a(14) =3735838550a(15) =42719792640a(16) =529195988635
External references
- oeis: A320155