346720179domain: NAppears in sequencesNumber of diagonalizable n X n matrices over GF(3).at n=5A290516Triangular array read by rows. T(n,k) is the number of n X n matrices over GF(3) such that the sum of the dimensions of its eigenspaces taken over all its eigenvalues is k, 0 <= k <= n, n >= 0.at n=20A346421