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 A273922 #23 Jun 20 2016 11:21:00
%S A273922 0,0,0,0,0,6,42,715
%N A273922 Number of 12-tuples of primes in arithmetic progression less than 10^n.
%D A273922 See A113827.
%e A273922 The least 12-tuple is {110437, 124297, 138157, 152017, 165877, 179737, 193597, 207457, 221317, 235177, 249037, 262897}.
%Y A273922 Cf. A113827 (prime beginning minimal n-tuple of primes in AP).
%Y A273922 Cf. A005115, A093364, A115608, A115609, A115610, A115611, A115612, A115613, A273919, A273920, A273921, A273923.
%K A273922 nonn,hard,more
%O A273922 1,6
%A A273922 _Jean-Marc Rebert_, Jun 04 2016