OFFSET
1,1
FORMULA
a(n) ~ n. - Charles R Greathouse IV, May 15 2013
EXAMPLE
(159)10 = (10011111)2 = (12220)3 =(2133)4 = (1114)5 =(423)6=(315)7=(237)8=(186)9 . All digits 0,1,2,3,4,5,7,8,6,9 are used at least once.
MATHEMATICA
With[{c=Range[0, 9]}, Select[Range[3000], Union[Flatten[Table[IntegerDigits[#, n], {n, 2, 10}]]]==c&]] (* Harvey P. Dale, Jul 06 2011 *)
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
Claudio Meller, Jun 24 2011
EXTENSIONS
Corrected by Harvey P. Dale, Jul 06 2011
STATUS
approved