Numbers k such that k divides the (left) concatenation of all numbers <= k written in base 2 (most significant digit on right and removing all least significant zeros before concatenation).
A029519
Numbers k such that k divides the (left) concatenation of all numbers <= k written in base 2 (most significant digit on right and removing all least significant zeros before concatenation).
Terms
- a(0) =1a(1) =3a(2) =7a(3) =17a(4) =27a(5) =63a(6) =92883a(7) =1556671
External references
- oeis: A029519