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 A169596 #11 May 04 2021 14:44:19
%S A169596 23,653,947,2027,4133,5431,18433,30089,39733,61667,71233,120947,
%T A169596 148439,163673,238801,265813,493853,502499,1070033,1100921,1139141,
%U A169596 1176127,1207447,1364401,1959961,1979281,2164471,3156319,3175967,3195233
%N A169596 Primes p such that sigma(p+3) = sigma(p-3).
%H A169596 Martin Møller Skarbiniks Pedersen and Giovanni Resta, <a href="/A169596/b169596.txt">Table of n, a(n) for n = 1..700</a> (first 99 terms from M. M. S. Pedersen)
%t A169596 Select[Prime@ Range[10^5], Equal @@ DivisorSigma[1, # + {-3, 3}] &] (* _Giovanni Resta_, May 15 2016 *)
%Y A169596 Cf. A067891, A169595.
%K A169596 nonn
%O A169596 1,1
%A A169596 _Vladimir Joseph Stephan Orlovsky_, Dec 03 2009