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

Eric Angelini Eric.Angelini at kntv.be
Sat Dec 7 23:27:18 CET 2013


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=100,101,110,200,202,220,300,303,330,400,404,440,500,505,550,600,606,660,700,707,770,800,808,880,900,909,990,1000,1001,1002,1003,1004,1005,1006,1007,1008,1009,1010,1011,1012,1013,1014,1015,1016,1017,1018,1019,1020,1021,1022,1030,1031,...
>> 
>> 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
>> 
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>> 
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> 
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