Fw: a Diophantine equation question
Jaap Spies
j.spies at hccnet.nl
Mon May 28 22:36:01 CEST 2007
Jon Schoenfield wrote:
>
> and the values of c at which the sum is a square are the usual ones, i.e.,
>
> c = 0
> c = k = 31
> c = k+1 = 32
> c = 2k(2k+1)(2k+2) = 249984
>
> and also the (unusual) values
>
> c = 4
> c = 248 (which is 31 * 8)
> c = 868 (which is 31 * 28)
> c = 1152 (which is 32 * 36)
>
> ... and maybe others ...?
No other values according to SAGE and MAGMA.
Jaap
More information about the SeqFan
mailing list