[seqfan] Re: Numbers impossible to produce
Claudio Meller
claudiomeller at gmail.com
Thu Apr 14 15:14:54 CEST 2011
Numbers that would be impossible to produce
1370 , 1425 , 1470 , 1471 , 1730 , 1740 , 1741 , 5240 , 5241 ,
6240 , 6241 , 10370 , 10425 , 10470 , 10471 , 10730 , 10740 , 10741
, 11425 , 11470 , 11471 , 11510 , 11740 , 11741 , 13070 , 13700 ,
13701 , 13702 , 13703 , 13704 , 13705 , 13706 , 13707 , 13708 ,
13709 , 14025 , 14026 , 14060 , 14070 , 14071 , 14080 , 14140 ,
14141 , 14150 , 14151 , 14152 , 14170 , 14190 , 14205 , 14240 ,
14241 , 14242 , 14250 , 14251 , 14252 , 14253 , 14254 , 14255 ,
14256 , 14257 , 14258 , 14259 , 14280 , 14290 , 14291 , 14340 ,
14341 , 14700 , 14701 , 14702 , 14703 , 14704 , 14705 , 14706 ,
14707 , 14708 , 14709 , 14710 , 14711 , 14712 , 14713 , 14714 ,
14715 , 14716 , 14717 , 14718 , 14719 , 15104 , 15105 , 15140 ,
15141 , 15142 , 15150 , 15151 , 15205 , 15240 , 15241 , 15250 ,
15251 , 15252 , 15705 , 15706 , 15825 , 15870 , 15871 , 15970 ,
15980 , 16040 , 16041 , 16405 , 16406 , 17030 , 17031 , 17040 ,
17041 , 17064 , 17065 , 17140 , 17141 , 17300 , 17301 , 17302 ,
17303 , 17304 , 17305 , 17306 , 17307 , 17308 , 17309 , 17400 ,
17401 , 17402 , 17403 , 17404 , 17405 , 17406 , 17407 , 17408 ,
17409 , 17410 , 17411 , 17412 , 17413 , 17414 , 17415 , 17416 ,
17417 , 17418 , 17419 , 17514 , 17515 , 17525 , 17570 , 17571 ,
17670 , 17850 , 17851 , 17950 , 17951 , 18040 , 18041 , 18075 ,
18076 , 18240 , 18241 , 18405 , 18406 , 18780 , 18950 , 18951 ,
19140 , 19141 , 19175 , 19240 , 19241 , 20370 , 20425 , 20470 ,
20471 , 20730 , 20740 , 20741 , 21425 , 21470 , 21471 , 21740 ,
21741 , 24150 , 24151 , 24205 , 24240 , 24241 , 24250 , 24251 ,
24252 , 24705 , 24706 , 25140 , 25141 , 25205 , 25240 , 25241 ,
25250 , 25251 , 25705 , 27040 , 27041 , 27405 , 27406 , 29240 ,
29241
2011/4/14 Claudio Meller <claudiomeller at gmail.com>
> 1370
>
>
> 2011/4/14 Eric Angelini <Eric.Angelini at kntv.be>
>
>> Hello SeqFans,
>>
>> The integer 126 produces 38 like this:
>>
>> 1 2 6
>> 3 8
>>
>> A digit on the base line is the addition
>> of the two closest digits above it.
>>
>> What does the integer 176 produce?
>> We decide that if the sum a+b of the said
>> digits is greater than 9, than we subtract
>> a from b (or b from a if a > b):
>>
>> 1 7 6
>> 8 1
>>
>> So, we managed to produce 38 and 81; but
>> what could be the smallest number that
>> would be impossible to produce, according
>> to the above rule?
>>
>> Best,
>> É.
>>
>>
>>
>>
>> _______________________________________________
>>
>> Seqfan Mailing list - http://list.seqfan.eu/
>>
>
>
>
> --
> Claudio
> http://grageasdefarmacia.blogspot.com
> http://todoanagramas.blogspot.com/
> http://simplementenumeros.blogspot.com/
>
--
Claudio
http://grageasdefarmacia.blogspot.com
http://todoanagramas.blogspot.com/
http://simplementenumeros.blogspot.com/
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