Triangular numbers of the form k^2 + 3.

A328791

Triangular numbers of the form k^2 + 3.

Terms

    a(0) =3a(1) =28a(2) =903a(3) =30628a(4) =1040403a(5) =35343028a(6) =1200622503a(7) =40785822028

External references