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 A083512 #8 Aug 25 2014 11:58:26 %S A083512 209,308,407,506,605,704,803,902,10109,10208,10307,10406,10505,10604, %T A083512 10703,10802,10901,20108,20207,20306,20405,20504,20603,20702,20801, %U A083512 30107,30206,30305,30404,30503,30602,30701,40106,40205,40304,40403 %N A083512 Multiples of 11 with digit sum 11, with no zero digits in odd places. %C A083512 The last term of this sequences is 101010101010101010101. %C A083512 Number of terms is 8+C(10, 2)+C(10, 3)+...+C(10, 9)+1 = 1021. - _David Wasserman_, Nov 18 2004 %Y A083512 Cf. A083513. %K A083512 fini,nonn,base %O A083512 1,1 %A A083512 _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 05 2003 %E A083512 More terms from _David Wasserman_, Nov 18 2004 %E A083512 Edited by _Charles R Greathouse IV_, Aug 02 2010