Coefficients of polynomials Q(n,x):=-2+(1+Q(n-1,x))^2, where Q(1,x)=x-2.

Terms

a(0) =1a(1) =-2a(2) =1a(3) =-2a(4) =-1a(5) =1a(6) =-4a(7) =4a(8) =0a(9) =-2a(10) =1a(11) =-8a(12) =24a(13) =-32a(14) =14a(15) =8a(16) =-8a(17) =0a(18) =-1a(19) =1a(20) =-16a(21) =112a(22) =-448a(23) =1116a(24) =-1744a(25) =1552a(26) =-384a(27) =-700a(28) =736a(29) =-160