42154domain: NAppears in sequencesNumbers whose base-2 representation has exactly 14 runs.at n=29A043581a(1) = 1, a(n) = smallest multiple of n using nonzero digits beginning with the digit reversal of a(n-1), if n is not == 0 (mod 10), else a(10^r*k) =10^r*{digit Reversal of a(10^r*k-1)}.at n=6A089320