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 A082249 #3 Dec 05 2013 19:56:05 %S A082249 22212019181716,29282726252423,36353433323130,43424140393837, %T A082249 50494847464544,57565554535251,64636261605958,71706968676665, %U A082249 78777675747372,85848382818079,92919089888786,99989796959493,108107106105104103102 %N A082249 Reverse concatenation of 7 numbers that are multiples of 7. %C A082249 It appears that if a(r) begins with k then a(r+1) ends in k+1. This is true up to the term 99989796959493. %H A082249 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/NonRecursions.html">Non Recursions</a> %Y A082249 Cf. A082242, A082243, A082247, A082248, A082250. %K A082249 base,easy,nonn %O A082249 1,1 %A A082249 _Amarnath Murthy_, Apr 11 2003 %E A082249 More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 19 2003