Numbers whose base-4 and base-5 representations have only 0's and 1's.
A263684
Numbers whose base-4 and base-5 representations have only 0's and 1's.
Terms
- a(0) =0a(1) =1a(2) =5a(3) =16400a(4) =16401a(5) =16405a(6) =82000a(7) =82001a(8) =82005
External references
- oeis: A263684