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 A070839 #2 Dec 05 2013 19:55:19 %S A070839 10,11,12,13,14,15,16,17,18,19,29,39,49,59,69,79,89,99,121,132,143, %T A070839 154,165,176,187,198,209,319,429,539,649,759,869,979,1000,1001,1002, %U A070839 1003,1004,1005,1006,1007,1008,1009,1011,1012,1013,1014,1015,1016,1017,1018 %N A070839 Smallest number k such that k + R(k) is a multiple of 11 different from all previous cases, where R(k) is digit reversal of k (A004086). %K A070839 base,nonn %O A070839 1,1 %A A070839 _Amarnath Murthy_, May 12 2002 %E A070839 Corrected and extended by Larry Reeves (larryr(AT)xnet.com), Oct 04 2002