Obverse convolution (n^2 - n)**(n^2 - n); see Comments.

A375056

Obverse convolution (n^2 - n)**(n^2 - n); see Comments.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =144a(4) =20736a(5) =3686400a(6) =846720000a(7) =248961081600

External references