Expansion of (1+2*x+4*x^2)/(1-x-8*x^4).

Terms

a(0) =1a(1) =3a(2) =7a(3) =7a(4) =15a(5) =39a(6) =95a(7) =151a(8) =271a(9) =583a(10) =1343a(11) =2551a(12) =4719a(13) =9383a(14) =20127a(15) =40535a(16) =78287a(17) =153351a(18) =314367a(19) =638647a(20) =1264943a(21) =2491751a(22) =5006687a(23) =10115863a(24) =20235407a(25) =40169415a(26) =80222911a(27) =161149815a(28) =323033071a(29) =644388391