Number of (unlabeled) rooted trees with n leaf nodes and without unary nodes such that the maximum of the node outdegrees equals six.
A292232
Number of (unlabeled) rooted trees with n leaf nodes and without unary nodes such that the maximum of the node outdegrees equals six.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =23a(4) =78a(5) =261a(6) =887a(7) =3008a(8) =10268a(9) =35112a(10) =120445a(11) =413979a(12) =1425919a(13) =4919635a(14) =17000553a(15) =58828575a(16) =203826882a(17) =707008418a(18) =2454916048a(19) =8532126320a(20) =29679297122a(21) =103322632386a(22) =359962092302
External references
- oeis: A292232