Squares with at least one of the decimal expansion digits occurring separated.

Terms

a(0) =121a(1) =484a(2) =676a(3) =1521a(4) =1681a(5) =2025a(6) =3136a(7) =3969a(8) =4624a(9) =5625a(10) =5929a(11) =6561a(12) =8281a(13) =8464a(14) =9409a(15) =10201a(16) =10404a(17) =10609a(18) =10816a(19) =11881a(20) =12100a(21) =12321a(22) =14161a(23) =14641a(24) =14884a(25) =15129a(26) =15625a(27) =16129a(28) =16641a(29) =17161