Engel expansion of Sum_{k>=0} 1/(9 + k)^k.

Terms

a(0) =1a(1) =10a(2) =12a(3) =16a(4) =21a(5) =22a(6) =33a(7) =64a(8) =64a(9) =372a(10) =7928a(11) =10206a(12) =18400a(13) =319831a(14) =429477a(15) =588460a(16) =849875a(17) =859279a(18) =2903676a(19) =11021989a(20) =14742559a(21) =16613535a(22) =48017191a(23) =329292950a(24) =3988366898a(25) =5315516684a(26) =19567917130a(27) =21634744969a(28) =23775894403