Expansion of (1-x+2*x^3-sqrt(1-2*x-3*x^2+4*x^3-4*x^4))/(2*x^2).

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =6a(5) =10a(6) =26a(7) =54a(8) =134a(9) =306a(10) =754a(11) =1806a(12) =4478a(13) =11018a(14) =27578a(15) =69014a(16) =174358a(17) =441506a(18) =1124674a(19) =2873182a(20) =7370926a(21) =18962490a(22) =48939530a(23) =126625126a(24) =328475334a(25) =853983058a(26) =2225023890a(27) =5808480046a(28) =15191255262a(29) =39798134122