OFFSET
1,1
COMMENTS
There are 46 such numbers, the largest being 9541.
LINKS
Giovanni Resta, Table of n, a(n) for n = 1..46 (full sequence)
EXAMPLE
3187 and 3187*8=25496 use once all the digits from 1 to 9.
MATHEMATICA
With[{c=Range[9]}, Select[Range[10000], Sort[Join[IntegerDigits[# ], IntegerDigits[8 #]]]==c&]] (* Harvey P. Dale, Jul 11 2011 *)
CROSSREFS
KEYWORD
nonn,base,fini,full
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved