Squares of palindromes.

Terms

a(0) =0a(1) =1a(2) =4a(3) =9a(4) =16a(5) =25a(6) =36a(7) =49a(8) =64a(9) =81a(10) =121a(11) =484a(12) =1089a(13) =1936a(14) =3025a(15) =4356a(16) =5929a(17) =7744a(18) =9801a(19) =10201a(20) =12321a(21) =14641a(22) =17161a(23) =19881a(24) =22801a(25) =25921a(26) =29241a(27) =32761a(28) =36481a(29) =40804