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

A005313

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

Terms

    a(0) =1a(1) =3a(2) =6a(3) =13a(4) =29a(5) =70a(6) =175a(7) =449a(8) =1164a(9) =3035a(10) =7931a(11) =20748a(12) =54301a(13) =142143a(14) =372114a(15) =974185a(16) =2550425a(17) =6677074a(18) =17480779a(19) =45765245a(20) =119814936a(21) =313679543a(22) =821223671a(23) =2149991448a(24) =5628750649a(25) =14736260475a(26) =38580030750a(27) =101003831749a(28) =264431464469a(29) =692290561630

External references