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 A079012 #14 Feb 11 2021 02:37:51
%S A079012 1997,2239,8311,989663,192667,2462087,11430059,18365701,55143493,
%T A079012 61885319,208711627,60411709,654143801,946120183,725464469,4371890027,
%U A079012 5922189979,2202500371,12079458623,6855676621,22629404927,31255408649
%N A079012 Least prime p introducing prime-difference pattern {d, 2*d, 4*d}, where d = 2*n, i.e., {p, p+2*n, p+6*n, p+14*n} are consecutive primes.
%e A079012 For n=6, d = 2*n = 12, d-pattern = {12, 24, 48}, a(6) = 2462807, first corresponding prime 4-tuplet is {2462087, 2462099, 2462123, 2462171}.
%Y A079012 Cf. A079011, A079013.
%K A079012 nonn,more
%O A079012 1,1
%A A079012 _Labos Elemer_, Jan 21 2003
%E A079012 a(16)-a(22) from _Jinyuan Wang_, Feb 11 2021