86419753domain: NAppears in sequencesa(n) = 12345679*n.at n=7A070189Least k such that decimal representation of k*n contains only digits 0 and 7.at n=8A096686a(n)*n = A112904(n).at n=8A112905a(n) = 12345679 * A001651(n).at n=4A178069