Glaisher's chi_8(n).

Terms

a(0) =1a(1) =16a(2) =0a(3) =256a(4) =-1054a(5) =0a(6) =0a(7) =4096a(8) =6561a(9) =-16864a(10) =0a(11) =0a(12) =-478a(13) =0a(14) =0a(15) =65536a(16) =-63358a(17) =104976a(18) =0a(19) =-269824a(20) =0a(21) =0a(22) =0a(23) =0a(24) =720291a(25) =-7648a(26) =0a(27) =0a(28) =-1407838a(29) =0