Nearest integer to Gamma(n + 3/8)/Gamma(3/8).

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =4a(5) =18a(6) =97a(7) =620a(8) =4570a(9) =38270a(10) =358778a(11) =3722325a(12) =42341447a(13) =523975411a(14) =7008171125a(15) =100742459918