Number of 6-ary rooted trees with n nodes and height at most 9.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =4a(5) =9a(6) =20a(7) =48a(8) =114a(9) =283a(10) =709a(11) =1806a(12) =4626a(13) =11940a(14) =30880a(15) =80055a(16) =207586a(17) =538330a(18) =1395080a(19) =3612756a(20) =9346541a(21) =24157618a(22) =62377353a(23) =160914843a(24) =414737061a(25) =1068032468a(26) =2748211066a(27) =7066320945a(28) =18156540077a(29) =46621728265