On 04/16/2014 01:59 PM, Eric Angelini wrote: > > Hello SeqFans, > not sure this is in the OEIS: > S=10,12,20,21,24,30,37, 40,42,49,50,51,... > > Integers sharing at least one > digit with their double. Yes, it is your sequence A129845. The others in OEIS are 3x = A129846 4x = A129848 Giovanni