%I #11 Jun 24 2013 21:09:38
%S 1367520,5470080,12307680,21880320,32672640,34188000,49230720,
%T 58544640,67008480,71831760,73513440,87521280,110769120,130690560,
%U 136752000,165469920,196922880,209969760,221205600,231110880,234178560,268033920,287327040,294053760,307692000
%N Numbers n such that there are four distinct triples (k, k+n, k+2n) of squares.
%e The following 4 triples have a common difference of 1367520: (802^2, 1418^2, 1838^2), (2162^2, 2458^2, 2722^2), (2729^2, 2969^2, 3191^2), and (6049^2, 6161^2, 6271^2).
%Y Cf. A198387, A222154.
%K nonn
%O 1,1
%A _Zdenek Cervenka_, Feb 10 2013
