[seqfan] n and 2n have a digit in common

[Eric Angelini]

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.

Ten seq alike could be submitted
(n and 3n, n and 4n, etc.)

Best,
É.