Find all the numbers have this property, its double and its triple contain each digit from 1 to 9 exactly once 192 is such a number, together with its double (384) and triple (576) they contain each 1-9 digit exactly once. Find all the numbers have this property.

No input. 

Output: 

192 384 576
219 438 657
273 546 819
327 654 981
APL (20)

192 219 273 327∘.×⍳3


Just prints the numbers multiplied by 1, 2, and 3.

Without hardcoding (25)

{∧/1↓⎕D∊⍕k←⍵×⍳3:⎕←k}¨⍳400