Expansion of 1/(1 - 16*x)^(1/8).

Terms

a(0) =1a(1) =2a(2) =18a(3) =204a(4) =2550a(5) =33660a(6) =460020a(7) =6440280a(8) =91773990a(9) =1325624300a(10) =19354114780a(11) =285033326760