[seqfan] Re: A posible new sequence
Zak Seidov
zakseidov at mail.ru
Sun May 1 14:25:58 CEST 2016
was: a5 = 1398 (?)
me: a5 = 1669 {5,7,11,22,33,49,55,77,99,121,154,175,231,275,385}
If non-decreasing sequence allowed then they may be lesser/shorter.
>Воскресенье, 1 мая 2016, 8:04 +03:00 от "M. F. Hasler" <seqfan at hasler.fr>:
>
>And what about the variant "...has i multiples of prime(i) ..." ?
>BTW the length of the corresponding sequences could also be submitted, as
>well as the values (as irregular table). Say, the shortest or lexicographic
>first in case of a draw. Or both of these variants.
>Le 30 avr. 2016 13:46, "Zak Seidov" < zakseidov at mail.ru > a écrit :
>
>> 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/
>>
>>
>> --
>> Seqfan Mailing list - http://list.seqfan.eu/
>>
>
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