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 A100210 #5 Mar 30 2012 18:50:48 %S A100210 5,13,41,73,89,97,149,157,181,193,313,397,421,521,557,569,613,709,773, %T A100210 853,881,1097,1117,1201,1429,1597,1741,1753,1801,1873,1901,2153,2393, %U A100210 2677,2689,2897,3121,3229,3461,3469,3613,3617,3697,3797,4513,4517,4729 %N A100210 Range of A100209 sorted in natural order. %C A100210 Subsequence of A002144. %H A100210 T. D. Noe, <a href="/A100210/b100210.txt">Table of n, a(n) for n = 1..1000</a> %K A100210 nonn %O A100210 1,1 %A A100210 _Reinhard Zumkeller_, Nov 08 2004