Numbers that can be expressed as x+2y+z such that x, y, z, x+y, y+z, and x+2y+z are all positive squares.

A307481

Numbers that can be expressed as x+2y+z such that x, y, z, x+y, y+z, and x+2y+z are all positive squares.

Terms

    a(0) =625a(1) =2500a(2) =5625a(3) =10000a(4) =15625a(5) =22500a(6) =28561a(7) =30625a(8) =40000a(9) =50625a(10) =62500a(11) =75625a(12) =83521a(13) =90000a(14) =105625a(15) =114244a(16) =122500a(17) =140625a(18) =142129a(19) =160000a(20) =180625a(21) =202500a(22) =225625a(23) =250000a(24) =257049a(25) =275625a(26) =302500a(27) =330625a(28) =334084a(29) =360000

External references