a(1) = 1, a(2) = 2, then the absolute difference of the concatenation of two previous terms and its digit reversal.

A085928

a(1) = 1, a(2) = 2, then the absolute difference of the concatenation of two previous terms and its digit reversal.

Terms

    a(0) =1a(1) =2a(2) =9a(3) =63a(4) =594a(5) =14058a(6) =25627437

External references