Ceiling of Gamma(n+3/8)/Gamma(3/8).

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =5a(5) =19a(6) =98a(7) =620a(8) =4570a(9) =38270a(10) =358779a(11) =3722326a(12) =42341448a(13) =523975412a(14) =7008171125a(15) =100742459919