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 A054803 #17 Oct 09 2023 13:54:16 %S A054803 269,1759,3319,5119,5399,6329,6379,12659,13469,14759,15809,15919, %T A054803 17489,18229,19489,23339,26189,30109,30649,53629,56099,62219,63709, %U A054803 71359,74507,75539,76597,77569,78809,80929,82799,83449,84449,89119,89399 %N A054803 Fourth term of balanced prime quartets: p(m-2)-p(m-3) = p(m-1)-p(m-2) = p(m)-p(m-1). %H A054803 Harvey P. Dale, <a href="/A054803/b054803.txt">Table of n, a(n) for n = 1..2000</a> %t A054803 Transpose[Select[Partition[Prime[Range[9000]],4,1],Length[Union[ Differences[ #]]]==1&]][[4]] (* _Harvey P. Dale_, Aug 27 2012 *) %Y A054803 Cf. A006562, A054800-A054840, A181424. %K A054803 nonn %O A054803 1,1 %A A054803 _Henry Bottomley_, Apr 10 2000