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 A063057 #28 Jul 12 2025 16:06:05 %S A063057 7059,16566,83127,155265,717816,1336533,4692864,9375828,17661567, %T A063057 94178238,177465387,961030158,1812060327,9042662508,17095324917, %U A063057 89037683988,177976357086,858730036857,1617360074715,6792060711876 %N A063057 'Reverse and Add!' trajectory of 7059. %H A063057 Reinhard Zumkeller and Michael Lee, <a href="/A063057/b063057.txt">Table of n, a(n) for n = 0..2432</a> (terms 0 through 250 provided by Reinhard Zumkeller) %H A063057 <a href="/index/Res#RAA">Index entries for sequences related to Reverse and Add!</a> %e A063057 a(1) = 7059 + 9507 = 16566. %t A063057 NestList[# + FromDigits[Reverse[IntegerDigits[#]]]&, 7059, 40] (* _Vincenzo Librandi_, May 03 2014 *) %o A063057 (ARIBAS) m := 7059; stop := 25; c := 0; rev := int_reverse(m); while m <> rev and c < stop do inc(c); write(m," "); m := m + rev; rev := int_reverse(m); end; %o A063057 (Haskell) %o A063057 a063057 n = a063057_list !! n %o A063057 a063057_list = iterate a056964 7059 -- _Reinhard Zumkeller_, Sep 22 2011 %Y A063057 Cf. A033865, A023108, A006960, A063058, A056964, A004086. %K A063057 base,nonn %O A063057 0,1 %A A063057 _Klaus Brockhaus_, Jul 07 2001