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 A257306 #23 Apr 11 2022 22:04:42 %S A257306 1158722981124148367,1240068005144831867,2243290806352501637, %T A257306 3172206835341609797,8402171449067476007,9422138120166964847, %U A257306 16485850001899818467,16679857156627718057,26082001869529405727,28025081332808782877,30304192466683200797,34827058725936837287,36351118555624575707,44715422969365380887,45912500276798107607,47710850533373130107,47939384425506704057,48902741158702754327 %N A257306 Numbers n such that n, n+2, n+6, n+12, n+14, n+20, n+26, n+30, n+32, n+36, n+42, n+44, n+50, n+54 and n+56 are all prime. %H A257306 Dana Jacobsen, <a href="/A257306/b257306.txt">Table of n, a(n) for n = 1..69</a> [first 32 terms computed by Tony Forbes and Jörg Waldvogel (1997-2009)] %H A257306 Tony Forbes and Norman Luhn, <a href="http://pzktupel.de/ktuplets.htm">Prime k-tuplets</a> %H A257306 Norman Luhn, <a href="http://www.pzktupel.de/SMArchiv/15tup4.zip">Table of n, a(n) for n = 1..278 (up to 10^22)</a> %Y A257306 Initial members of all of the first prime k-tuplets: %Y A257306 twin primes: A001359. %Y A257306 prime triples: A007529 out of A022004, A022005. %Y A257306 prime quadruplets: A007530. %Y A257306 prime 5-tuples: A086140 out of A022007, A022006. %Y A257306 prime sextuplets: A022008. %Y A257306 prime septuplets: A257124 out of A022009, A022010. %Y A257306 prime octuplets: A065706 out of A022011, A022012, A022013. %Y A257306 prime nonuplets: A257125 out of A022547, A022548, A022545, A022546. %Y A257306 prime decaplets: A257127 out of A027569, A027570. %Y A257306 prime 11-tuplets: A257129 out of A213646, A213647. %Y A257306 prime 12-tuplets: A257131 out of A213601, A213645. %Y A257306 prime 13-tuplets: A257135 out of A214947, A257137, A257138, A257139, A257140, A257141. %Y A257306 prime 14-tuplets: A257166 out of A257167, A257168. %Y A257306 prime 15-tuplets: A257169 out of A257304, A257305, this sequence, A257307. %Y A257306 prime 16-tuplets: A257308 out of A257369, A257370. %Y A257306 prime 17-tuplets: A257373 out of A257374, A257375, A257376, A257377. %K A257306 nonn %O A257306 1,1 %A A257306 _Tim Johannes Ohrtmann_, Apr 20 2015