[seqfan] Re: 10 different digits, 9 products

jsk jskcmg at gmail.com
Tue Jan 3 15:43:34 CET 2012


Hello Seqfans,

On Tue, Jan 3, 2012 at 11:08 PM, Eric Angelini <Eric.Angelini at kntv.be> wrote:
>
> Hello SeqFans,
> I'm looking for all D numbers with 10 digits (digits must be
> different one from another) having this property :
> when you multiply two touching digits of D, the result is
> visible in D (as a character string).

Here are my 58 solutions (found by brute force over 10!):

3207154869
3205486917
4063297185
4063792185
4230567819
4230915678
4297630518
4297631805
5042976318
5063297184
5079246318
5093271486
5094236718
5148609327
5180429763
5180792463
5180942367
5184063297
5420796318
5420976318
5486913207
5630187924
5630241879
5630418792
5630421879
5630429187
5630429718
5630792418
5630924187
5678142309
6320184597
6320459718
6320718459
6320791845
6320971845
6324079185
6324097185
6329705184
6329718405
7091532486
7132054869
7153248609
7183092465
7924063185
7924630518
7924631805
7963205418
9071532486
9142305678
9153248607
9246518307
9305614278
9308142765
9327051486
9327148605
9423670518
9423671805
9872305614

Thanks,
Jason.



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