This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A089493 #5 Mar 30 2012 17:27:41 %S A089493 196,879,106,1077,10553,111,1,10583,10022,10071,10331,10128,10210, %T A089493 10132,10278,113,10746,10748,1057,10122,10123,10248,10337,10220,10204, %U A089493 10212,10969,10437,10983,10222,10183,12898,128,10119,13694,10036,10292,10173 %N A089493 a(n) = smallest k such that the Reverse and Add! trajectory of A063048(n) joins the trajectory of k. %C A089493 a(n) <= A063048(n); a(n) = A063048(n) iff the trajectory of A063048(n) does not join the trajectory of any smaller number, i.e. A063048(n) is also a term of A070788. %C A089493 a(n) determines a 1-1-mapping from the terms of A063048 to the terms of A070788. For the inverse mapping cf. A089494. %H A089493 <a href="/index/Res#RAA">Index entries for sequences related to Reverse and Add!</a> %e A089493 A063048(3) = 1997, the trajectory of 1997 joins the trajectory of 106 = A070788(8) at 97768, so a(3) = 106. A063048(7) = 10577, the trajectory of 10577 joins the trajectory of 1 = A070788(1) at 7309126, so a(7) = 1. %Y A089493 Cf. A063048, A070788, A089494. %K A089493 nonn,base %O A089493 1,1 %A A089493 _Klaus Brockhaus_, Nov 04 2003