Numerators of partial sums of a series for sqrt(5)/3.

Terms

a(0) =1a(1) =3a(2) =21a(3) =17a(4) =99a(5) =2223a(6) =12039a(7) =56763a(8) =59337a(9) =286961a(10) =7358781a(11) =36088473a(12) =183146521a(13) =181066401a(14) =36534213a(15) =4535753121a(16) =22798981683a(17) =113528187171a(18) =113891192583a(19) =568042152363