7928375domain: NAppears in sequencesLet d(n,k) be the n-th divisor of a number k. a(n) is the smallest k such that d(n+1,k+1) = d(n,k) + 1.at n=28A285883Numbers equal to the determinant of a circulant matrix based on the base-8 digits of n.at n=36A303368