0,1

The distance formula between points on the parabola y=x^2

We need 6 pythagorean triples such that the ratios of the sides satisfies

(a+d=b+f=c+e)where x1+x2=a,x2+x3=b,x1+x3=c,x3+x4=d

(45/28+3551/840=171/140+775/168=91/60+1209/280). Solve for x1,x2,... to get the sequence.

Sequence in context: A084629 A075286 A045302 this_sequence A048428 A020375 A031788

Adjacent sequences: A104646 A104647 A104648 this_sequence A104650 A104651 A104652

nonn

T. Haj (t.haj(AT)sbcglobal.net), Apr 21 2005