Expansion of (1 + 4*x - 6*x^2) / ((1 - x) * (1 - 10*x^2)).

Terms

a(0) =1a(1) =5a(2) =9a(3) =49a(4) =89a(5) =489a(6) =889a(7) =4889a(8) =8889a(9) =48889a(10) =88889a(11) =488889a(12) =888889a(13) =4888889a(14) =8888889a(15) =48888889a(16) =88888889a(17) =488888889a(18) =888888889a(19) =4888888889a(20) =8888888889a(21) =48888888889a(22) =88888888889a(23) =488888888889a(24) =888888888889