Ceiling of Gamma(n+7/11)/Gamma(7/11).

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =10a(5) =47a(6) =261a(7) =1732a(8) =13221a(9) =114178a(10) =1100260a(11) =11702762a(12) =136177585a(13) =1720789476a(14) =23465311033a(15) =343446825120