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

Terms

a(0) =0a(1) =1a(2) =10a(3) =11a(4) =110a(5) =111a(6) =1110a(7) =1111a(8) =11110a(9) =11111a(10) =111110a(11) =111111a(12) =1111110a(13) =1111111a(14) =11111110a(15) =11111111a(16) =111111110a(17) =111111111a(18) =1111111110a(19) =1111111111a(20) =11111111110a(21) =11111111111a(22) =111111111110a(23) =111111111111