Positive numbers y such that y^2 is of the form x^2+(x+761)^2 with integer x.

Terms

a(0) =541a(1) =761a(2) =1465a(3) =1781a(4) =3805a(5) =8249a(6) =10145a(7) =22069a(8) =48029a(9) =59089a(10) =128609a(11) =279925a(12) =344389a(13) =749585a(14) =1631521a(15) =2007245a(16) =4368901a(17) =9509201a(18) =11699081a(19) =25463821a(20) =55423685a(21) =68187241a(22) =148414025a(23) =323032909a(24) =397424365a(25) =865020329a(26) =1882773769