Integer part of Gamma(n+8/9)/Gamma(8/9).

Terms

a(0) =1a(1) =0a(2) =1a(3) =4a(4) =18a(5) =92a(6) =543a(7) =3741a(8) =29513a(9) =262341a(10) =2594261a(11) =28248627a(12) =335844792a(13) =4328666215a(14) =60120364100a(15) =895125421053