A351240 Numerator of the maximal sum of inverse squares of the singular values of symmetric Toeplitz anti-Hadamard matrices of order n.

1, 2, 7, 10, 37, 34, 107, 262, 661, 2236, 5665, 13350, 35141, 260188, 382614, 418134, 9552743681459, 83369851038, 785598689

Offset: 1

Author

Stefano Spezia, Feb 05 2022

Keywords

• nonn
• frac
• more

Links

• R. L. Graham and N. J. A. Sloane, Anti-Hadamard matrices, Linear Alg. Applic., 62 (1984), 113-137.

Crossrefs

Cf. A005312, A005313, A351241 (denominator).