A119005 Number of n X n real symmetric (+1,-1)-matrices having maximal determinant (=A119003(n)).
1, 4, 16, 48, 416, 3840, 161280, 215040, 15482880, 774144000
Offset: 1
Extensions
a(8)-a(10) from Max Alekseyev, Jun 17 2025
This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.