Squares which are palindromes in base 3.

Terms

a(0) =0a(1) =1a(2) =4a(3) =16a(4) =100a(5) =121a(6) =400a(7) =484a(8) =784a(9) =1156a(10) =3136a(11) =6724a(12) =7921a(13) =12769a(14) =23716a(15) =26896a(16) =59536a(17) =68644a(18) =238144a(19) =274576a(20) =532900a(21) =570025a(22) =643204a(23) =743044a(24) =1042441a(25) =1800964a(26) =1844164a(27) =2131600a(28) =4787344a(29) =5026564