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

Terms

a(0) =1a(1) =-1a(2) =-1a(3) =-1a(4) =-1a(5) =-2a(6) =-4a(7) =-8a(8) =-17a(9) =-37a(10) =-82a(11) =-185a(12) =-423a(13) =-978a(14) =-2283a(15) =-5373a(16) =-12735a(17) =-30372a(18) =-72832a(19) =-175502a(20) =-424748a(21) =-1032004a(22) =-2516347a(23) =-6155441a(24) =-15101701a(25) =-37150472a(26) =-91618049a(27) =-226460893a(28) =-560954047a(29) =-1392251012