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

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =8a(5) =17a(6) =37a(7) =82a(8) =185a(9) =423a(10) =978a(11) =2283a(12) =5373a(13) =12735a(14) =30372a(15) =72832a(16) =175502a(17) =424748a(18) =1032004a(19) =2516347a(20) =6155441a(21) =15101701a(22) =37150472a(23) =91618049a(24) =226460893a(25) =560954047a(26) =1392251012a(27) =3461824644a(28) =8622571758a(29) =21511212261