Base 3 numbers whose square is a palindrome in base 3.

Terms

a(0) =0a(1) =1a(2) =2a(3) =11a(4) =101a(5) =102a(6) =202a(7) =211a(8) =1001a(9) =1021a(10) =2002a(11) =10001a(12) =10022a(13) =11012a(14) =12201a(15) =20002a(16) =100001a(17) =100201a(18) =200002a(19) =201102a(20) =1000001a(21) =1000222a(22) =1002201a(23) =1011221a(24) =1101211a(25) =1211201a(26) =1212022a(27) =2000002a(28) =10000001a(29) =10002001