MMN-1012
The non-extensibility of $D(-2k+1)$-triples $\{1, k^2, k^2+2k-1\}$
Abstract
In this paper we prove that for an integer k such that |k| >= 2, the D(-2k+1)-triple {1,k^2,k^2+2k-1} cannot be extended to a D(-2k+1)-quadruple.
Vol. 16 (2015), No. 1, pp. 385-390