Hi,
I received first a MemoryError, and later on Sage reported:
/usr/local/sage/local/bin/sage-sage: line 358: 10172
Killed
python "$@"
{{{id=59|
uitkomst1=[]
uitkomst2=[]
eind=int((10^9+2)/(2*sqrt(3)))
print eind
for y in srange(1,eind):
test1=is_square(3*y^2+1,True)
test2=is_square(48*y^2+1,True)
if test1[0] and test1[1]%3==2: uitkomst1.append((y,(2*test1[1]-1)/3))
if test2[0] and test2[1]%3==1: uitkomst2.append((y,(2*test2[1]+1)/3))
print uitkomst1
een=sum([3*x-1 for (y,x) in uitkomst1 if 3*x-1<10^9])
print uitkomst2
twee=sum([3*x+1 for (y,x) in uitkomst2 if 3*x+1<10^9])
print een+twee
///
}}}
If you replace 10^9 with 10^6, the above listing works properly.
Maybe I made a mistake?
Rolandb
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