Number of 6-ary rooted trees with n nodes and height at most 5.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =4a(5) =9a(6) =19a(7) =42a(8) =88a(9) =188a(10) =393a(11) =821a(12) =1692a(13) =3483a(14) =7101a(15) =14436a(16) =29162a(17) =58703a(18) =117577a(19) =234695a(20) =466493a(21) =924149a(22) =1824100a(23) =3588957a(24) =7038072a(25) =13760324a(26) =26821365a(27) =52130255a(28) =101033183a(29) =195279030