451248domain: NAppears in sequencesa(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=7A089320Numbers k such that k=(a+b)*c=a*b+c for more than one triple (a,b,c) with 1<c<a<=b.at n=16A329169