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 A035518 #15 Jul 04 2021 09:01:18 %S A035518 727334879,727334887,727334891,727334899,727334939,727334963, %T A035518 727334983,727335023,727335031,727335079,727335083,727335107, %U A035518 727335127,727335131,727335163,727335211,727335227,727335347,727335359,727335379 %N A035518 20 consecutive primes of the form 4k+3. %C A035518 The least sequence of 20 consecutive primes of the form 4k+3 and the largest known (Nov 15 1998). %D A035518 See A4, p. 13 of "Unsolved problems in Number Theory", 2nd. Edition, R. K. Guy %H A035518 Carlos Rivera, <a href="https://www.primepuzzles.net/puzzles/puzz_256.htm">Puzzle 256. Jack Brennen old records</a>, The Prime Puzzles and Problems Connection. Longer sequences. %H A035518 Carlos Rivera, <a href="https://www.primepuzzles.net/puzzles/puzz_539.htm">Puzzle 539. n consecutive primes same residue modulo 4</a>, The Prime Puzzles and Problems Connection. Longer sequences. %K A035518 nonn,fini,full %O A035518 1,1 %A A035518 _Carlos Rivera_