Maximum fixed points under iteration of sum of cubes of digits in base n.

Terms

a(0) =1a(1) =17a(2) =62a(3) =118a(4) =251a(5) =250a(6) =433a(7) =1052a(8) =407a(9) =1280a(10) =2002a(11) =1968a(12) =793a(13) =3052a(14) =5614a(15) =1456a(16) =5337a(17) =5939a(18) =2413a(19) =5615a(20) =20217a(21) =11648a(22) =11080a(23) =31024a(24) =5425a(25) =1737a(26) =28027a(27) =26846a(28) =17451a(29) =33535