Squares which are palindromes in base 4.

Terms

a(0) =0a(1) =1a(2) =25a(3) =289a(4) =441a(5) =4225a(6) =5041a(7) =6889a(8) =66049a(9) =74529a(10) =78961a(11) =100489a(12) =1050625a(13) =1113025a(14) =16785409a(15) =17313921a(16) =17581249a(17) =19368801a(18) =26594649a(19) =26822041a(20) =27258841a(21) =268468225a(22) =272613121a(23) =284428225a(24) =297183121a(25) =4295098369