Numbers whose square is of the form k + reversal of digits of k, for some k.

Terms

a(0) =2a(1) =4a(2) =11a(3) =22a(4) =25a(5) =33a(6) =101a(7) =121a(8) =141a(9) =202a(10) =222a(11) =264a(12) =303a(13) =307a(14) =451a(15) =836a(16) =1001a(17) =1111a(18) =1221a(19) =1232a(20) =2002a(21) =2068a(22) =2112a(23) =2222a(24) =2305a(25) =2515a(26) =2626a(27) =2636a(28) =2776a(29) =3003