Expansion of x*(11+13*x+20*x^2) / ( (x-1)*(1+x)*(10*x^2-1) ).

Terms

a(0) =0a(1) =11a(2) =13a(3) =141a(4) =143a(5) =1441a(6) =1443a(7) =14441a(8) =14443a(9) =144441a(10) =144443a(11) =1444441a(12) =1444443a(13) =14444441a(14) =14444443a(15) =144444441a(16) =144444443a(17) =1444444441a(18) =1444444443a(19) =14444444441a(20) =14444444443a(21) =144444444441a(22) =144444444443