308641975domain: NAppears in sequencesa(n) = 12345679*n.at n=25A070189Least k such that the decimal representation of k*n contains only 1's and 0's.at n=35A079339Least k such that decimal representation of k*n contains only digits 0 and 5.at n=17A096684a(n) = 12345679 * A001651(n).at n=16A178069