Number of rooted trees with n nodes and 7-colored non-root nodes.
A246236
Number of rooted trees with n nodes and 7-colored non-root nodes.
Terms
- a(0) =0a(1) =1a(2) =7a(3) =77a(4) =966a(5) =13342a(6) =195384a(7) =2984142a(8) =46990952a(9) =757504496a(10) =12438875162a(11) =207336046337
External references
- oeis: A246236