When squared gives number composed of digits {1,2,3}.

A030175

When squared gives number composed of digits {1,2,3}.

Terms

    a(0) =1a(1) =11a(2) =111a(3) =36361a(4) =363639a(5) =461761a(6) =3636361a(7) =34815389a(8) =362397739a(9) =176412364139

External references