Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 4 (most significant digit on right).
A061957
Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 4 (most significant digit on right).
Terms
- a(0) =1a(1) =3a(2) =9a(3) =11a(4) =63a(5) =79a(6) =189a(7) =271a(8) =507a(9) =833a(10) =8697a(11) =12739a(12) =3341049
External references
- oeis: A061957