Squares such that the sum of two neighboring term is also a square.

Terms

a(0) =0a(1) =25a(2) =144a(3) =256a(4) =900a(5) =1600a(6) =1764a(7) =3136a(8) =8100a(9) =14400a(10) =15876a(11) =28224a(12) =50176a(13) =129600a(14) =142884a(15) =254016a(16) =302500a(17) =1742400a(18) =1920996a(19) =3415104a(20) =3956121a(21) =7033104a(22) =8767521a(23) =15586704a(24) =27709696a(25) =64834704a(26) =94303521a(27) =167650704a(28) =298045696a(29) =617621904