Number of 5-ary rooted trees with n nodes and height at most 4.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =4a(5) =8a(6) =15a(7) =28a(8) =50a(9) =89a(10) =155a(11) =267a(12) =451a(13) =757a(14) =1251a(15) =2048a(16) =3316a(17) =5315a(18) =8433a(19) =13256a(20) =20641a(21) =31847a(22) =48704a(23) =73817a(24) =110932a(25) =165266a(26) =244175a(27) =357699a(28) =519760a(29) =748973