Expansion of (1-x)/(1-2*x-2*x^3+2*x^4).

Terms

a(0) =1a(1) =1a(2) =2a(3) =6a(4) =12a(5) =26a(6) =60a(7) =132a(8) =292a(9) =652a(10) =1448a(11) =3216a(12) =7152a(13) =15896a(14) =35328a(15) =78528a(16) =174544a(17) =387952a(18) =862304a(19) =1916640a(20) =4260096a(21) =9468896a(22) =21046464a(23) =46779840a(24) =103977280a(25) =231109696a(26) =513686144a(27) =1141767168a(28) =2537799168a(29) =5640751232