Cyclotomic polynomials at x = -7.

Terms

a(0) =-7a(1) =-8a(2) =-6a(3) =43a(4) =50a(5) =2101a(6) =57a(7) =102943a(8) =2402a(9) =117307a(10) =2801a(11) =247165843a(12) =2353a(13) =12111126301a(14) =137257a(15) =6568801a(16) =5764802a(18) =117993a(20) =5649505a(21) =15772610449a(22) =329554457a(24) =5762401a(26) =16148168401