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

A243642

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

Terms

    a(0) =-1a(1) =2a(2) =3a(3) =10a(4) =43a(5) =210a(6) =1106a(7) =6120a(8) =35059a(9) =206050a(10) =1235130a(11) =7520860a(12) =46385822a(13) =289160620a(14) =1818956184a(15) =11531388580a(16) =73599630147a(17) =472547337650

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