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 A054840 #9 Aug 25 2024 12:01:27
%S A054840 15427,64997,68261,68947,129023,129037,143567,154153,158071,192461,
%T A054840 221773,222493,244529,249797,285421,318737,337327,354421,357967,
%U A054840 374287,385471,394787,402631,402691,419687,439253,442003,448519,457459,457739,458309,482569,528041,529927,577589,582809
%N A054840 Seventh term of weak prime septet: p(m-5)-p(m-6) < p(m-4)-p(m-5) < p(m-3)-p(m-4) < p(m-2)-p(m-3) < p(m-1)-p(m-2) < p(m)-p(m-1).
%H A054840 M. F. Hasler, <a href="/A054840/b054840.txt">Table of n, a(n) for n = 1..233</a>
%F A054840 a(n) = nextprime(A054839), nextprime = A151800;
%F A054840 A054840 = { A054833(n) | A054833(n) = nextprime(A054833(n-1)) }. - _M. F. Hasler_, Oct 27 2018
%t A054840 Select[Partition[Prime[Range[50000]],7,1],Min[Differences[#,2]]>0&][[;;,7]] (* _Harvey P. Dale_, Aug 25 2024 *)
%Y A054840 Cf. A051635; A054800 .. A054803: members of balanced prime quartets (= consecutive primes in arithmetic progression); A054804 .. A054818: members of strong prime quartet, quintet, sextet; A054819 .. A054840: members of weak prime quartet, quintet, sextet, septets.
%K A054840 nonn
%O A054840 1,1
%A A054840 _Henry Bottomley_, Apr 10 2000
%E A054840 Edited and more terms from _M. F. Hasler_, Oct 27 2018