Modified Engel expansion of 3/7.

Terms

a(0) =2a(1) =4a(2) =5a(3) =7a(4) =8a(5) =10a(6) =25a(7) =53a(8) =62a(9) =134a(10) =574a(11) =2431a(12) =13147a(13) =27167a(14) =229073a(15) =315416a(16) =435474a(17) =771789a(18) =1522716a(19) =3853889a(20) =7878986a(21) =7922488a(22) =8844776a(23) =9182596a(24) =9388467a(25) =14781524a(26) =135097360a(27) =1374449987a(28) =1561240840a(29) =4408239956