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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A050289 Zeroless pandigital numbers: numbers containing the digits 1-9 and no 0's. 27
123456789, 123456798, 123456879, 123456897, 123456978, 123456987, 123457689, 123457698, 123457869, 123457896, 123457968, 123457986, 123458679, 123458697, 123458769, 123458796, 123458967, 123458976 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The first 9!=362,880 terms of this sequence are permutations of the digits 1-9 with a(9!)=987654321. - Jeremy Gardiner, May 28 2010

First differences are given in A209280 (for the first 9! terms) or in A219664 (for at least as much initial terms). - M. F. Hasler, Mar 03 2013

A230959(a(n)) = 0. - Reinhard Zumkeller, Nov 02 2013

LINKS

Table of n, a(n) for n=1..18.

James Grime and Brady Haran, Why 381,654,729 is awesome - Numberphile (2013)

H. Fripertinger, Operate on "9" to display zeroless pandigitals

Eric Weisstein's World of Mathematics, Pandigital Number

CROSSREFS

Cf. A050290.

Sequence in context: A224780 A277057 A180408 * A204140 A288941 A175547

Adjacent sequences:  A050286 A050287 A050288 * A050290 A050291 A050292

KEYWORD

nonn,base,changed

AUTHOR

Eric W. Weisstein

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy .

Last modified January 24 01:54 EST 2018. Contains 298115 sequences.