0,3

A. Baker and H. Davenport, The Equations 3x^2-2=y^2 and 8x^2-7=z^2, Quart. J. Math. Oxford 20 (1969).

Martin Gardner, probably "Mathematical Magic Show".

Andrej Dujella (duje(AT)math.hr), Diophantine m-tuples

Sequence in context: A028504 A123279 A134803 this_sequence A051047 A036504 A132491

Adjacent sequences: A030060 A030061 A030062 this_sequence A030064 A030065 A030066

nonn,fini,full,nice

Graham Lewis (grahaml(AT)levygee.com.uk)