Ceiling of Gamma(n + 5/11)/Gamma(5/11).

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =6a(5) =25a(6) =137a(7) =880a(8) =6555a(9) =55413a(10) =523898a(11) =5477111a(12) =62737807a(13) =781370864a(14) =10512989798a(15) =151960488891