Expansion of (1+10x)/(1-101x^2).

Terms

a(0) =1a(1) =10a(2) =101a(3) =1010a(4) =10201a(5) =102010a(6) =1030301a(7) =10303010a(8) =104060401a(9) =1040604010a(10) =10510100501a(11) =105101005010