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

[M. F. Hasler]

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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