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

Terms

a(0) =1a(1) =3a(2) =21a(3) =85a(4) =495a(5) =2223a(6) =12039a(7) =56763a(8) =296685a(9) =1434805a(10) =7358781a(11) =36088473a(12) =183146521a(13) =905332005a(14) =4566776625a(15) =22678765605a(16) =113994908415a(17) =567640935855