Least number x such that x^n has n digits equal to k. Case k = 8.

Terms

a(0) =8a(1) =83a(2) =92a(3) =303a(4) =525a(5) =269a(6) =725a(7) =2169a(8) =1298a(9) =3466a(10) =867a(11) =1809a(12) =4624a(13) =793a(14) =7252a(15) =5195a(16) =7521a(17) =21397a(18) =11286a(19) =10482a(20) =19713a(21) =9573a(22) =15815a(23) =27879a(24) =20978a(25) =39673a(26) =53445a(27) =25276a(28) =30943a(29) =93984