Engel expansion of log(2).

Terms

a(0) =2a(1) =3a(2) =7a(3) =9a(4) =104a(5) =510a(6) =1413a(7) =2386a(8) =40447a(9) =87110a(10) =124975a(11) =1565154a(12) =1766158a(13) =2440919a(14) =2637001a(15) =9192874a(16) =24998746a(17) =73973182a(18) =88828340a(19) =432049320a(20) =470421590a(21) =477600793a(22) =3313014448a(23) =4571423959a(24) =28839435286a(25) =40818751774