[seqfan] Re: A posible new sequence

M. F. Hasler seqfan at hasler.fr
Sun May 1 07:04:20 CEST 2016


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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