Engel expansion of phi to the base Pi.

Terms

a(0) =2a(1) =105a(2) =617a(3) =3077a(4) =9757a(5) =71731a(6) =306407a(7) =2071853a(8) =10770894a(9) =185768753a(10) =1672941615a(11) =14465494561a(12) =338610760068