Positive integers making n^2*(n-1)*(2*n-1)^2*(7*n-1)/36 a square.

A073352

Positive integers making n^2*(n-1)*(2*n-1)^2*(7*n-1)/36 a square.

Terms

    a(0) =1a(1) =4a(2) =55a(3) =868a(4) =13825a(5) =220324a(6) =3511351a(7) =55961284a(8) =891869185a(9) =14213945668a(10) =226531261495

External references