Numbers k such that k divides the (left) concatenation of all numbers <= k written in base 16 (most significant digit on right and removing all least significant zeros before concatenation).
A029533
Numbers k such that k divides the (left) concatenation of all numbers <= k written in base 16 (most significant digit on right and removing all least significant zeros before concatenation).
Terms
- a(0) =1a(1) =3a(2) =5a(3) =9a(4) =15a(5) =19a(6) =21a(7) =43a(8) =57a(9) =255a(10) =345a(11) =385a(12) =505a(13) =1131a(14) =1395a(15) =1585a(16) =7205a(17) =11565a(18) =38949a(19) =270425a(20) =684555a(21) =8311925
External references
- oeis: A029533