# [seqfan] Re: Digit of a(n) is the difference of two digits of a(n)

franktaw at netscape.net franktaw at netscape.net
Sun Dec 8 00:44:48 CET 2013

```If numbers have infinitely many zeros on the left, every number has
this property.

-----Original Message-----
From: Marc LeBrun <mlb at well.com>
To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
Sent: Sat, Dec 7, 2013 5:25 pm
Subject: [seqfan] Re: Digit of a(n) is the difference of two digits of
a(n)

Heh, or 1123456789, if you believe numbers have infinitely many
unwritten
0's on the left.  --MLB

>="Eric Angelini" <Eric.Angelini at kntv.be>

> Yes, that´s it, Maximilian!
> Best,
> É.
>
>
>> Le 7 déc. 2013 à 23:22, "M. F. Hasler" <seqfan at hasler.fr> a écrit :
>>
>> If I understood well, an equivalent characterization is :
>>
>> Numbers that have at least one digit "0" and at least two identical
>> digits (which may be two 0's).
>>
>> So the least pandigital in this list is 10023456789.
>>
>> Maximilian
>>
>>> On Sat, Dec 7, 2013 at 2:42 PM, Eric Angelini
<Eric.Angelini at kntv.be> wrote:
>>>
>>>
S=100,101,110,200,202,220,300,303,330,400,404,440,500,505,550,600,606,660
,70
>>>
0,707,770,800,808,880,900,909,990,1000,1001,1002,1003,1004,1005,1006,1007
,10
>>>
08,1009,1010,1011,1012,1013,1014,1015,1016,1017,1018,1019,1020,1021,1022,
103
>>> 0,1031,...
>>>
>>> Hello SeqFans,
>>> take any digit d of a(n): d is the difference between two digits of
a(n).
>>>
>>> What is the smallest pandigital a(n) with this property?
>>> Best,
>>> É.
>>> Catapulté de mon aPhone
>>>
>>> _______________________________________________
>>>
>>> Seqfan Mailing list - http://list.seqfan.eu/
>>
>> _______________________________________________
>>
>> Seqfan Mailing list - http://list.seqfan.eu/
>
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```