Expansion of (1+5*x+7*x^2-x^3)/((1-2*x^2)*(1-x)*(1+x)).

Terms

a(0) =1a(1) =5a(2) =10a(3) =14a(4) =28a(5) =32a(6) =64a(7) =68a(8) =136a(9) =140a(10) =280a(11) =284a(12) =568a(13) =572a(14) =1144a(15) =1148a(16) =2296a(17) =2300a(18) =4600a(19) =4604a(20) =9208a(21) =9212a(22) =18424a(23) =18428a(24) =36856a(25) =36860a(26) =73720a(27) =73724a(28) =147448a(29) =147452