[seqfan] Re: A posible new sequence

Zak Seidov zakseidov at mail.ru
Sat Apr 30 19:46:55 CEST 2016


 a4 = 304 {5,7,14,15,21,25,28,35,49,105}


>Суббота, 30 апреля 2016, 20:14 +03:00 от Claudio Meller <claudiomeller at gmail.com>:
>
>But I don't know if the values are correct
>El 30/04/2016 14:00, "Charles Greathouse" < charles.greathouse at case.edu >
>escribió:
>
>> Sure, send it in!
>>
>> On Saturday, April 30, 2016, Claudio Meller < claudiomeller at gmail.com >
>> wrote:
>>
>> > Consider the following sequence
>> > a(n) = is the least posible sum of a sequence consisting of exactly Prime
>> > (i) multiples of Prime (i) with i = 1 to n
>> >
>> > Examples
>> > a1 = 6  (sequence 2,4)
>> > a2 = 20 (sequence 2,3,6,9)
>> > a3 = 87 (3,9,5,10,15,20,25)
>> > This sequence have two and only two multiples of 2, three and only three
>> > multiples of 3 and 5 multiples of 5
>> >
>> > a4 = 307 (?)
>> > a5 = 1398 (?)
>> >
>> > Is this an interesting sequence?
>> >
>> > You can see the problem here :
>> >
>> >
>> >
>>  http://simplementenumeros.blogspot.com.ar/2016/04/1443-extension-del-problema-anterior.html
>> >
>> > and solutions were provided by Mmonchi
>> >
>> > --
>> > Claudio Meller
>> >  http://grageasdefarmacia.blogspot.com
>> >  http://todoanagramas.blogspot.com/
>> >  http://simplementenumeros.blogspot.com/
>> >
>> > --
>> > Seqfan Mailing list -  http://list.seqfan.eu/
>> >
>>
>>
>> --
>> Charles Greathouse
>> Analyst/Programmer
>> Case Western Reserve University
>>
>> --
>> Seqfan Mailing list -  http://list.seqfan.eu/
>>
>
>--
>Seqfan Mailing list -  http://list.seqfan.eu/



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