Squares that are the concatenation of three numbers, one of which is the sum of the other two.

Terms

a(0) =121a(1) =484a(2) =729a(3) =1156a(4) =17161a(5) =20164a(6) =23716a(7) =27225a(8) =45369a(9) =59536a(10) =68644a(11) =73441a(12) =163216a(13) =255025a(14) =271441a(15) =367236a(16) =499849a(17) =683929a(18) =743044a(19) =1172889a(20) =2114116a(21) =2205225a(22) =2399401a(23) =2862864a(24) =3323329a(25) =7529536a(26) =8456464a(27) =8814961a(28) =18215824