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

Terms

a(0) =1a(1) =-1a(2) =5a(3) =-9a(4) =27a(5) =-61a(6) =159a(7) =-385a(8) =967a(9) =-2385a(10) =5935a(11) =-14705a(12) =36511a(13) =-90561a(14) =224735a(15) =-557569a(16) =1383487a(17) =-3432641a(18) =8517119a(19) =-21132545a(20) =52434047a(21) =-130098945a(22) =322800895a(23) =-800931585a(24) =1987267071a(25) =-4930795521a(26) =12234262015a(27) =-30355580929a(28) =75318094847a(29) =-186878827521