Expansion of (1-x)/(1+2*x-2*x^2-2*x^3).

Terms

a(0) =1a(1) =-3a(2) =8a(3) =-20a(4) =50a(5) =-124a(6) =308a(7) =-764a(8) =1896a(9) =-4704a(10) =11672a(11) =-28960a(12) =71856a(13) =-178288a(14) =442368a(15) =-1097600a(16) =2723360a(17) =-6757184a(18) =16765888a(19) =-41599424a(20) =103216256a(21) =-256099584a(22) =635432832a(23) =-1576632320a(24) =3911931136a(25) =-9706261248a(26) =24083120128a(27) =-59754900480a(28) =148263518720a(29) =-367870598144