Numbers k such that k divides the (left) concatenation of all numbers <= k written in base 7 (most significant digit on right and removing all least significant zeros before concatenation).

A029524

Numbers k such that k divides the (left) concatenation of all numbers <= k written in base 7 (most significant digit on right and removing all least significant zeros before concatenation).

Terms

    a(0) =1a(1) =3a(2) =9a(3) =12a(4) =36a(5) =96a(6) =128a(7) =2267a(8) =4031a(9) =29416a(10) =551444a(11) =2033727a(12) =2056797a(13) =2477144a(14) =7974180a(15) =9482385

External references