Glaisher's function H'(4n+1) (18 squares version).

Terms

a(0) =0a(1) =1a(2) =-6a(3) =-3a(4) =82a(5) =-84a(6) =-444a(7) =769a(8) =1110a(9) =-2643a(10) =-860a(11) =2901a(12) =-1176a(13) =6277a(14) =1170a(15) =-21315a(16) =-2308a(17) =14244a(18) =29442a(19) =15540a(20) =-58194a(21) =-13338a(22) =-31886a(23) =4080a(24) =176682a(25) =-70715a(26) =-51240a(27) =81489a(28) =-135728a(29) =13137