Expansion of x*(1 + 5*x + 40*x^2)/((1 - x^2)*(1 - 10*x^2)).

Terms

a(0) =0a(1) =1a(2) =5a(3) =51a(4) =55a(5) =551a(6) =555a(7) =5551a(8) =5555a(9) =55551a(10) =55555a(11) =555551a(12) =555555a(13) =5555551a(14) =5555555a(15) =55555551a(16) =55555555a(17) =555555551a(18) =555555555a(19) =5555555551a(20) =5555555555a(21) =55555555551a(22) =55555555555a(23) =555555555551a(24) =555555555555