a(n) = floor(Gamma(n+6/11)/Gamma(6/11)).

Terms

a(0) =1a(1) =0a(2) =0a(3) =2a(4) =7a(5) =34a(6) =191a(7) =1255a(8) =9470a(9) =80933a(10) =772544a(11) =8146833a(12) =94058896a(13) =1180011610a(14) =15983793633a(15) =232491543752