Engel expansion of plastic constant (real root of x^3 - x - 1).

Terms

a(0) =1a(1) =4a(2) =4a(3) =6a(4) =6a(5) =27a(6) =74a(7) =86a(8) =372a(9) =853a(10) =947a(11) =1475a(12) =3686a(13) =9084a(14) =19174a(15) =30737a(16) =1530833a(17) =2401466a(18) =2521253a(19) =3649563a(20) =3802245a(21) =9320024a(22) =1092256819a(23) =2114664794a(24) =2878948610a(25) =8842525055a(26) =13769551820a(27) =26996892389a(28) =215947176106a(29) =269439735691