A091503 - OEIS

%I #6 Feb 16 2025 08:32:52

%S 2,8,232,9440

%N Number of n X n matrices with entries {-1,1} that are diagonalizable over the real numbers.

%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/DiagonalizableMatrix.html">Diagonalizable Matrix</a>

%Y Cf. A091502, A091504.

%K nonn,more,changed

%O 1,1

%A _Eric W. Weisstein_, Jan 16 2004