Squares, without multiplicity, that are the concatenation of two integers (without leading zeros) the product of which is also a square.

A258060

Squares, without multiplicity, that are the concatenation of two integers (without leading zeros) the product of which is also a square.

Terms

    a(0) =49a(1) =169a(2) =361a(3) =1225a(4) =1444a(5) =1681a(6) =3249a(7) =4225a(8) =4900a(9) =15625a(10) =16900a(11) =36100a(12) =42025a(13) =49729a(14) =64009a(15) =81225a(16) =93025a(17) =122500a(18) =142129a(19) =144400a(20) =168100a(21) =225625a(22) =237169a(23) =324900a(24) =414736a(25) =422500a(26) =490000a(27) =519841a(28) =819025a(29) =950625

External references