Number of rooted trees on n nodes with labels covering an initial interval of positive integers.
A339644
Number of rooted trees on n nodes with labels covering an initial interval of positive integers.
Terms
- a(0) =1a(1) =3a(2) =21a(3) =214a(4) =3004a(5) =53696a(6) =1169220a(7) =30017582a(8) =887835091a(9) =29728120594
External references
- oeis: A339644