Expansion of (1-x-3*x^2-sqrt(1-2*x-5*x^2+2*x^3+x^4))/(2*x^3*(1+2*x)).

Terms

a(0) =1a(1) =1a(2) =4a(3) =8a(4) =24a(5) =61a(6) =175a(7) =486a(8) =1405a(9) =4059a(10) =11924a(11) =35223a(12) =105007a(13) =314867a(14) =950018a(15) =2880620a(16) =8775638a(17) =26843704a(18) =82420464a(19) =253916555a(20) =784672011a(21) =2431695541a(22) =7555381574a(23) =23531026853a(24) =73448858179a(25) =229730744171a(26) =719914525210