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 A070244 #5 Aug 20 2015 02:54:38 %S A070244 0,1,2,3,4,5,6,7,8,9,55,515,66,616,77,717,88,818,99,919,929,939,949, %T A070244 959,969,979,989,999,9559,95159,9669,96169,9779,97179,9889,98189,9999, %U A070244 99199,99299,99399,99499,99599,99699,99799,99899,99999 %N A070244 Largest palindrome using minimum number of digits with a digit sum = n. %C A070244 No palindrome with lesser number of digits is possible. %C A070244 All the palindromes using same (minimum) number of digits are smaller than a(n). %Y A070244 Cf. A062388. %K A070244 base,nonn %O A070244 0,3 %A A070244 _Amarnath Murthy_, May 05 2002 %E A070244 a(0)=0 prepended by _Michel Marcus_, Aug 20 2015