[seqfan] Re: No right isosceles triangles in a square grid
njasloane at gmail.com
Fri Apr 22 20:49:49 CEST 2016
If you did not find any clever solutions for n <= 11, I bet we have a(n) =
2n-2 for all n>1.
Neil J. A. Sloane, President, OEIS Foundation.
11 South Adelaide Avenue, Highland Park, NJ 08904, USA.
Also Visiting Scientist, Math. Dept., Rutgers University, Piscataway, NJ.
Phone: 732 828 6098; home page: http://NeilSloane.com
Email: njasloane at gmail.com
On Fri, Apr 22, 2016 at 1:35 PM, Giovanni Resta <g.resta at iit.cnr.it> wrote:
> Il 22/04/2016 17:34, Neil Sloane ha scritto:
>> 1, 2, 4, 6, 8, 10, 12, 14, 14, 16, 20
>> Could there be a typo? Did you mean to say
> Yes, sorry. I did make a mess merging results from Mathematica, lp_solve
> and cplex.
> It is 1,2,4,6,8,10,12,14,16,18 (I'm checking again a(11)=20 because I
> deleted the result),
> i.e., it seems simply a(1)=1 and a(n)=2n-2 up to a(10).
> I'm going to check again the results when I prepare the pictures. Sorry
> for the error,
> Seqfan Mailing list - http://list.seqfan.eu/
More information about the SeqFan