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

Terms

a(0) =1a(1) =0a(2) =-1a(3) =1a(4) =2a(5) =-2a(6) =-2a(7) =5a(8) =2a(9) =-9a(10) =1a(11) =16a(12) =-8a(13) =-24a(14) =25a(15) =32a(16) =-57a(17) =-31a(18) =114a(19) =6a(20) =-202a(21) =77a(22) =322a(23) =-273a(24) =-447a(25) =672a(26) =496a(27) =-1392a(28) =-271a(29) =2560