Number of (unlabeled) rooted trees with n leaf nodes and without unary nodes such that the maximum of the node outdegrees equals five.
A292231
Number of (unlabeled) rooted trees with n leaf nodes and without unary nodes such that the maximum of the node outdegrees equals five.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =23a(4) =77a(5) =256a(6) =861a(7) =2897a(8) =9800a(9) =33232a(10) =113012a(11) =385165a(12) =1315434a(13) =4500398a(14) =15421463a(15) =52919299a(16) =181826880a(17) =625467087a(18) =2153816295a(19) =7423887771a(20) =25611710370a(21) =88430103927a(22) =305555059139
External references
- oeis: A292231