login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A161750 Numbers n such that the decimal digits of 123456789*n are all distinct. 2
0, 1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 17, 20, 22, 23, 25, 26, 31, 32, 34, 35, 40, 41, 43, 44, 50, 52, 53, 61, 62, 70, 71, 80 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

MAPLE

a := proc (n) local nn, nnn: nn := convert(123456789*n, base, 10): nnn := convert(nn, set): if nops(nn) = nops(nnn) then n else end if end proc: seq(a(n), n = 1 .. 80); [From Emeric Deutsch (deutsch(AT)duke.poly.edu), Jun 21 2009]

MATHEMATICA

m=123456789; se=Select[Range[0, 99], Sort[id=IntegerDigits[m*# ]]==Union[id]&] [From Zak Seidov (zakseidov(AT)yahoo.com), Nov 04 2009]

CROSSREFS

Cf. A053654. [From Zak Seidov (zakseidov(AT)yahoo.com), Nov 04 2009]

Sequence in context: A191266 A003253 A119905 * A175302 A067940 A007951

Adjacent sequences:  A161747 A161748 A161749 * A161751 A161752 A161753

KEYWORD

easy,fini,full,nonn,base

AUTHOR

Kyle Stern (kstern1(AT)umbc.edu), Jun 17 2009

EXTENSIONS

a(1)=0 added by Zak Seidov (zakseidov(AT)yahoo.com), Nov 04 2009

Edited by Charles R Greathouse IV (charles.greathouse(AT)case.edu), Aug 02 2010

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 14 23:53 EST 2012. Contains 205689 sequences.