Expansion of d/dx log(1/(1-x/sqrt(1-4*x^2))).

Terms

a(0) =1a(1) =1a(2) =7a(3) =9a(4) =41a(5) =61a(6) =225a(7) =369a(8) =1195a(9) =2101a(10) =6227a(11) =11529a(12) =32059a(13) =61741a(14) =163727a(15) =325089a(16) =831505a(17) =1690981a(18) =4206145a(19) =8717049a(20) =21215481a(21) =44633821a(22) =106782837a(23) =227363409a(24) =536618341a(25) =1153594261a(26) =2693492305a(27) =5835080169a(28) =13507578125a(29) =29443836301