Number of gap-free Carlitz compositions of n.

Terms

a(0) =1a(1) =1a(2) =3a(3) =2a(4) =4a(5) =9a(6) =11a(7) =11a(8) =29a(9) =53a(10) =82a(11) =129a(12) =215a(13) =389a(14) =726a(15) =1237a(16) =2079a(17) =3660a(18) =6386a(19) =11127a(20) =19719a(21) =34658a(22) =60358a(23) =105776a(24) =185641a(25) =324822a(26) =569565a(27) =999824a(28) =1753763a(29) =3075263