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

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =15a(5) =28a(6) =52a(7) =96a(8) =176a(9) =320a(10) =576a(11) =1024a(12) =1792a(13) =3072a(14) =5120a(15) =8192a(16) =12288a(17) =16384a(18) =16384a(19) =0a(20) =-65536a(21) =-262144a(22) =-786432a(23) =-2097152a(24) =-5242880a(25) =-12582912a(26) =-29360128a(27) =-67108864a(28) =-150994944a(29) =-335544320