Ceiling of Gamma(n+7/12)/Gamma(7/12).

Terms

a(0) =1a(1) =1a(2) =1a(3) =3a(4) =9a(5) =40a(6) =219a(7) =1441a(8) =10923a(9) =93755a(10) =898485a(11) =9508957a(12) =110145409a(13) =1385996397a(14) =18826451053a(15) =274552411176