Perfect squares using only the curved digits 0, 3, 6, 8 and 9.

Terms

a(0) =0a(1) =9a(2) =36a(3) =900a(4) =3600a(5) =3969a(6) =6889a(7) =8836a(8) =38809a(9) =69696a(10) =80089a(11) =90000a(12) =93636a(13) =339889a(14) =360000a(15) =363609a(16) =380689a(17) =396900a(18) =660969a(19) =688900a(20) =693889a(21) =698896a(22) =883600a(23) =896809a(24) =988036a(25) =3663396a(26) =3869089a(27) =3880900a(28) =3988009a(29) =6066369