A modified Engel expansion for sqrt(3) - 1.

Terms

a(0) =2a(1) =3a(2) =4a(3) =2a(4) =8a(5) =14a(6) =2a(7) =98a(8) =194a(9) =2a(10) =18818a(11) =37634a(12) =2a(13) =708158978a(14) =1416317954a(15) =2a(18) =2