Expansion of 1/(1-2*x^2-4*x^3). (2,4)-Padovan sequence.

Terms

a(0) =1a(1) =0a(2) =2a(3) =4a(4) =4a(5) =16a(6) =24a(7) =48a(8) =112a(9) =192a(10) =416a(11) =832a(12) =1600a(13) =3328a(14) =6528a(15) =13056a(16) =26368a(17) =52224a(18) =104960a(19) =209920a(20) =418816a(21) =839680a(22) =1677312a(23) =3354624a(24) =6713344a(25) =13418496a(26) =26845184a(27) =53690368a(28) =107364352a(29) =214761472