Nearest integer to Gamma(n + 8/9)/Gamma(8/9).

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =19a(5) =92a(6) =543a(7) =3741a(8) =29513a(9) =262341a(10) =2594262a(11) =28248627a(12) =335844793a(13) =4328666215a(14) =60120364101a(15) =895125421053