Triangle associated with rooted trees with a degree constraint (A036765).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =2a(6) =1a(7) =3a(8) =5a(9) =5a(10) =1a(11) =4a(12) =9a(13) =14a(14) =13a(15) =1a(16) =5a(17) =14a(18) =28a(19) =40a(20) =36a(21) =1a(22) =6a(23) =20a(24) =48a(25) =87a(26) =118a(27) =104a(28) =1a(29) =7