Engel expansion of sqrt(7).

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =7a(5) =7a(6) =8a(7) =14a(8) =16a(9) =21a(10) =36a(11) =40a(12) =41a(13) =354a(14) =407a(15) =568a(16) =2253a(17) =2392a(18) =6783a(19) =8608a(20) =10968a(21) =23813a(22) =149663a(23) =1353193a(24) =2273258a(25) =11992211a(26) =18888350a(27) =35589752a(28) =279408946a(29) =926928928