Expansion of (1 - x - sqrt(1 - 2*x + x^2 - 8*x^3)) / (4*x^2) in powers of x.

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =3a(5) =7a(6) =13a(7) =29a(8) =71a(9) =163a(10) =377a(11) =913a(12) =2219a(13) =5375a(14) =13189a(15) =32677a(16) =81167a(17) =202523a(18) =508273a(19) =1280537a(20) =3236275a(21) =8207543a(22) =20880893a(23) =53263405a(24) =136205527a(25) =349137811a(26) =896881641a(27) =2308523809a(28) =5953138875a(29) =15378562415