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

Terms

a(0) =1a(1) =-1a(2) =5a(3) =-11a(4) =33a(5) =-87a(6) =241a(7) =-655a(8) =1793a(9) =-4895a(10) =13377a(11) =-36543a(12) =99841a(13) =-272767a(14) =745217a(15) =-2035967a(16) =5562369a(17) =-15196671a(18) =41518081a(19) =-113429503a(20) =309895169a(21) =-846649343a(22) =2313089025a(23) =-6319476735a(24) =17265131521a(25) =-47169216511a(26) =128868696065a(27) =-352075825151a(28) =961889042433