58989domain: NAppears in sequencesLargest n-digit number in which the k-th digit is a divisor or a multiple of k.at n=4A069573a(n) = smallest multiple of 7 with a digit sum = n.at n=37A077493Expansion of (1 + x)/(1 - x^2 - 2*x^5).at n=39A237714