Least number k not divisible by 10 such that the decimal expansion of k^n contains some digit exactly n times.

A243151

Least number k not divisible by 10 such that the decimal expansion of k^n contains some digit exactly n times.

Terms

    a(0) =1a(1) =11a(2) =36a(3) =34a(4) =99a(5) =258a(6) =391a(7) =163a(8) =341a(9) =951a(10) =867a(11) =1692a(12) =1114a(13) =793a(14) =4792a(15) =3019a(16) =1935a(17) =5469a(18) =6398a(19) =6152a(20) =8906a(21) =1987a(22) =15815a(23) =19603a(24) =16292a(25) =26216a(26) =32113a(27) =19718a(28) =24354a(29) =45903

External references