Numbers n such that there are four distinct triples (k, k+n, k+2n) of squares.

Terms

a(0) =1367520a(1) =5470080a(2) =12307680a(3) =21880320a(4) =32672640a(5) =34188000a(6) =49230720a(7) =58544640a(8) =67008480a(9) =71831760a(10) =73513440a(11) =87521280a(12) =110769120a(13) =130690560a(14) =136752000a(15) =165469920a(16) =196922880a(17) =209969760a(18) =221205600a(19) =231110880a(20) =234178560a(21) =268033920a(22) =287327040a(23) =294053760a(24) =307692000