Number of rooted identity trees with n nodes and exactly 6 subtrees from the root.

Terms

a(0) =3a(1) =12a(2) =52a(3) =168a(4) =537a(5) =1591a(6) =4605a(7) =12878a(8) =35434a(9) =95686a(10) =255451a(11) =674351a(12) =1765821a(13) =4589927a(14) =11862112a(15) =30500143a(16) =78095203a(17) =199230786a(18) =506693631a(19) =1285172861a(20) =3252142655a(21) =8212876975a(22) =20703986186a(23) =52112143876a(24) =130988626702a(25) =328857650246a(26) =824753010860