Positive numbers y such that y^2 is of the form x^2 + (x+31)^2 with integer x.

Terms

a(0) =25a(1) =31a(2) =41a(3) =109a(4) =155a(5) =221a(6) =629a(7) =899a(8) =1285a(9) =3665a(10) =5239a(11) =7489a(12) =21361a(13) =30535a(14) =43649a(15) =124501a(16) =177971a(17) =254405a(18) =725645a(19) =1037291a(20) =1482781a(21) =4229369a(22) =6045775a(23) =8642281a(24) =24650569a(25) =35237359a(26) =50370905a(27) =143674045a(28) =205378379a(29) =293583149