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

Terms

a(0) =1a(1) =-1a(2) =2a(3) =-6a(4) =14a(5) =-32a(6) =76a(7) =-180a(8) =424a(9) =-1000a(10) =2360a(11) =-5568a(12) =13136a(13) =-30992a(14) =73120a(15) =-172512a(16) =407008a(17) =-960256a(18) =2265536a(19) =-5345088a(20) =12610688a(21) =-29752448a(22) =70195072a(23) =-165611520a(24) =390727936a(25) =-921846016a(26) =2174915072a(27) =-5131286016a(28) =12106264064a(29) =-28562358272