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 A173893 #7 Dec 20 2019 11:01:00 %S A173893 26,175,331,511,539,632,637,1265,1346,1475,1580,1591,1748,1822,1948, %T A173893 2333,2618,3010,3064,5362,5609,6221,6370,7135,7553,7756,7880,8092, %U A173893 8279,8344,8444,8911,8939,9130,9443,9527 %N A173893 (Average of twin balanced prime pairs)/10. %C A173893 Where (257, 263), (1747, 1753), (5387, 5393), (6317, 6323), (6367, 6373),.. are twin balanced prime pairs. %H A173893 Amiram Eldar, <a href="/A173893/b173893.txt">Table of n, a(n) for n = 1..10000</a> %F A173893 a(n) = (A173892(n)+3)/10. - _R. J. Mathar_, Apr 25 2010 %Y A173893 Cf. A006562, A014574, A173892. %K A173893 nonn %O A173893 1,1 %A A173893 _Juri-Stepan Gerasimov_, Mar 01 2010 %E A173893 Corrected following the corrected A173892. _R. J. Mathar_, Apr 25 2010