Ceiling of Gamma(n + 9/11)/Gamma(9/11).

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =17a(5) =78a(6) =449a(7) =3060a(8) =23920a(9) =210930a(10) =2070941a(11) =22403815a(12) =264772350a(13) =3393900116a(14) =46897528867a(15) =694936109572