Perfect squares (A000290) that can be expressed as the sum of four consecutive triangular numbers (A000217).

A165518

Perfect squares (A000290) that can be expressed as the sum of four consecutive triangular numbers (A000217).

Terms

    a(0) =4a(1) =100a(2) =3364a(3) =114244a(4) =3880900a(5) =131836324a(6) =4478554084a(7) =152139002500

External references