Engel expansion of sin(2).

Terms

a(0) =2a(1) =2a(2) =2a(3) =4a(4) =11a(5) =14a(6) =57a(7) =100a(8) =1778a(9) =2355a(10) =7690a(11) =21334a(12) =89831a(13) =126718a(14) =365351a(15) =665175a(16) =914152a(17) =1469797a(18) =3554254a(19) =25042522a(20) =190651419a(21) =580715831a(22) =1803513148a(23) =3705699670a(24) =44927205487a(25) =232354919706