Maximal sum of inverse squares of the singular values of symmetric anti-Hadamard matrices of order n.

A005312

Maximal sum of inverse squares of the singular values of symmetric anti-Hadamard matrices of order n.

Terms

    a(0) =1a(1) =3a(2) =7a(3) =16a(4) =46a(5) =138a(6) =624

External references