Ceiling of Gamma(n+10/11)/Gamma(10/11).

Terms

a(0) =1a(1) =1a(2) =2a(3) =6a(4) =20a(5) =97a(6) =573a(7) =3956a(8) =31286a(9) =278721a(10) =2761872a(11) =30129504a(12) =358814995a(13) =4631975384a(14) =64426566695a(15) =960541539817