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 A084655 #4 Mar 30 2012 17:22:28 %S A084655 31,73,89,157,233,193,281,307,601,499,593,811,1049,2593,2281,1753, %T A084655 1433,1327,1553,1399,6361,1459,1471,1721,3391,1913,1093,1709,2273, %U A084655 2393,4153,2473,2179,2251,1873,1993,5581,1789,2969,2137,3089,3449,3529,2011,3181 %N A084655 Largest prime factor of pseudoprimes in A084653. %H A084655 T. D. Noe, <a href="/A084655/b084655.txt">Table of n, a(n) for n = 1..10000</a> %K A084655 nonn %O A084655 1,1 %A A084655 _T. D. Noe_, Jun 02 2003