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

Terms

a(0) =1a(1) =0a(2) =0a(3) =-1a(4) =2a(5) =0a(6) =1a(7) =-4a(8) =4a(9) =-1a(10) =6a(11) =-12a(12) =9a(13) =-8a(14) =24a(15) =-33a(16) =26a(17) =-40a(18) =81a(19) =-92a(20) =92a(21) =-161a(22) =254a(23) =-276a(24) =345a(25) =-576a(26) =784a(27) =-897a(28) =1266a(29) =-1936