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 A031160 #7 Nov 15 2019 06:27:19 %S A031160 2,8,14,32,50,68,74,128,134,170,194,236,260,284,320,392,428,476,488, %T A031160 518,536,578,614,620,644,728,740,884,896,926,932,980,992,1010,1022, %U A031160 1040,1094,1106,1202,1232,1250,1262,1388,1418,1472,1496,1502 %N A031160 Twin lucky numbers (middle terms). %H A031160 Amiram Eldar, <a href="/A031160/b031160.txt">Table of n, a(n) for n = 1..10000</a> %Y A031160 Cf. A000959, A031158, A031159, A031160. %K A031160 nonn %O A031160 1,1 %A A031160 _Patrick De Geest_ %E A031160 Offset corrected by _Amiram Eldar_, Nov 15 2019