Integer part of Gamma(n+5/9)/Gamma(5/9).

Terms

a(0) =1a(1) =0a(2) =0a(3) =2a(4) =7a(5) =35a(6) =198a(7) =1302a(8) =9843a(9) =84216a(10) =804738a(11) =8494460a(12) =98158213a(13) =1232430908a(14) =16706285646a(15) =243169268856