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 A070796 #10 Oct 21 2019 02:34:40
%S A070796 106,152,179,205,251,278,304,350,377,379,403,476,478,479,502,509,575,
%T A070796 577,578,601,608,674,676,677,700,707,773,775,776,806,872,874,875,905,
%U A070796 971,973,974,1019,1054,1060,1082,1093,1109,1144,1150,1172,1183,1199
%N A070796 Integers n such that the 'Reverse and Add!' trajectory of n joins the trajectory of 106.
%H A070796 <a href="/index/Res#RAA">Index entries for sequences related to Reverse and Add!</a>
%e A070796 The trajectory of 707 is part of the trajectory of 106; the trajectory of 775 joins the trajectory of 106 at 48884 after 5 steps.
%t A070796 limit = 10^3; x = NestList[ # + IntegerReverse[#] &, 106, limit];
%t A070796 Select[Range[1199],
%t A070796 Intersection[NestList[ # + IntegerReverse[#] &, #, limit],
%t A070796 x] != {} &] (* _Robert Price_, Oct 20 2019 *)
%Y A070796 Cf. A070788 - A070795, A070797, A070798, A063049.
%K A070796 base,nonn
%O A070796 1,1
%A A070796 _Klaus Brockhaus_, May 07 2002