66th cyclotomic polynomial.

Terms

a(0) =1a(1) =1a(2) =0a(3) =-1a(4) =-1a(5) =0a(6) =1a(7) =1a(8) =0a(9) =-1a(10) =-1a(11) =-1a(12) =0a(13) =1a(14) =1a(15) =0a(16) =-1a(17) =-1a(18) =0a(19) =1a(20) =1