The smallest positive number that when written in all bases 2 to n contains two or more adjacent equal digits.

A375958

The smallest positive number that when written in all bases 2 to n contains two or more adjacent equal digits.

Terms

    a(0) =3a(1) =4a(2) =22a(3) =31a(4) =43a(5) =122a(6) =506a(7) =506a(8) =1187a(9) =3199a(10) =11663a(11) =18773a(12) =18815a(13) =32399a(14) =177216a(15) =177216a(16) =177227a(17) =5225284a(18) =5225284a(19) =14295600a(20) =21566225a(21) =36572552a(22) =107730081a(23) =107832239a(24) =952416000a(25) =2293096006a(26) =5587865542a(27) =6587515515a(28) =30174888567a(29) =30174888567

External references