Expansion of (1 - x + x^2 + sqrt(1 + 2*x + 3*x^2 - 2*x^3 + x^4)) / 2 in powers of x.

Terms

a(0) =1a(1) =0a(2) =1a(3) =-1a(4) =1a(5) =0a(6) =-2a(7) =4a(8) =-3a(9) =-5a(10) =20a(11) =-29a(12) =1a(13) =94a(14) =-221a(15) =191a(16) =327a(17) =-1454a(18) =2282a(19) =-162a(20) =-8002a(21) =19902a(22) =-18275a(23) =-30505a(24) =143511a(25) =-234364a(26) =24437a(27) =841723a(28) =-2164873a(29) =2069014