3185280domain: NAppears in sequencesTriangular array read by rows. T(n,k) is the number of n X n matrices over GF(2) that can be decomposed as the direct sum of k cyclic matrices, 0<=k<=n, n>=0.at n=16A346677E.g.f. satisfies A(x) = 1 + x*A(x)*exp(x^3*A(x)^3).at n=8A365287