Legendre symbol (n,197).

Terms

a(0) =0a(1) =1a(2) =-1a(3) =-1a(4) =1a(5) =-1a(6) =1a(7) =1a(8) =-1a(9) =1a(10) =1a(11) =-1a(12) =-1a(13) =-1a(14) =-1a(15) =1a(16) =1a(17) =-1a(18) =-1a(19) =1a(20) =-1a(21) =-1a(22) =1a(23) =1a(24) =1a(25) =1a(26) =1a(27) =-1a(28) =1a(29) =1