Nearest integer to Gamma(n + 9/11)/Gamma(9/11).

Terms

a(0) =1a(1) =1a(2) =1a(3) =4a(4) =16a(5) =77a(6) =449a(7) =3060a(8) =23920a(9) =210929a(10) =2070941a(11) =22403814a(12) =264772349a(13) =3393900115a(14) =46897528867a(15) =694936109571