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

Terms

a(0) =1a(1) =1a(2) =3a(3) =3a(4) =7a(5) =7a(6) =15a(7) =15a(8) =31a(9) =31a(10) =63a(11) =63a(12) =127a(13) =127a(14) =255a(15) =255a(16) =511a(17) =511a(18) =1023a(19) =1023a(20) =2047a(21) =2047a(22) =4095a(23) =4095a(24) =8191a(25) =8191a(26) =16383a(27) =16383a(28) =32767a(29) =32767