Ceiling of Gamma(n+7/8)/Gamma(7/8).

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =19a(5) =90a(6) =524a(7) =3599a(8) =28342a(9) =251532a(10) =2483878a(11) =27012164a(12) =320769441a(13) =4129906549a(14) =57302453361a(15) =852373993745