100841domain: NAppears in sequencesa(n) = A061086(n) / n.at n=28A061087Partial sums of A006820.at n=14A173758Numbers of the form i*7^j-1 (i=1..6, j >= 0).at n=35A181303a(n) = 6*7^n-1.at n=5A198688Smallest number requiring n steps to reach a palindrome under the "add a digit" process described in A241173.at n=34A241174