Nearest integer to Gamma(n + 7/8)/Gamma(7/8).

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =18a(5) =89a(6) =523a(7) =3599a(8) =28342a(9) =251532a(10) =2483877a(11) =27012163a(12) =320769441a(13) =4129906549a(14) =57302453361a(15) =852373993744