Numbers k in base 10 such that the digits of 2 + k are the digits of 2k written in reverse order.
A276509
Numbers k in base 10 such that the digits of 2 + k are the digits of 2k written in reverse order.
Terms
- a(0) =2a(1) =47a(2) =497a(3) =4997a(4) =49997a(5) =499997a(6) =4999997a(7) =49999997a(8) =499999997a(9) =4999999997a(10) =49999999997a(11) =499999999997
External references
- oeis: A276509