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 A372247 #13 May 19 2024 12:03:18
%S A372247 1997,2237,2267,2657,6197,6827,8087,17027,17387,19427,21017,21377,
%T A372247 22277,22637,23057,24107,29567,37307,43397,43787,53087,55337,56807,
%U A372247 58907,62297,65537,65837,78887,81017,82007,82217,89597,90017,91367,93887,95087,97547,105527,108287,110567,112247,113357
%N A372247 Lowest prime p in a ladder of 4 consecutive primes p, p+2, p+6, p+14.
%e A372247 2267, 2269, 2273 and 2281 are consecutive primes with gaps of 2, 4 and 8, so 2267 is in the sequence.
%t A372247 First /@ Parallelize[
%t A372247 Select[Table[NextPrime[Prime@i, Range@4], {i, 10^5}],
%t A372247 Differences@# == {2, 4, 8} &]] (* _Mikk Heidemaa_, Apr 25 2024 *)
%Y A372247 Subsequence of A022004. A372248 is a subsequence.
%K A372247 nonn
%O A372247 1,1
%A A372247 _R. J. Mathar_, Apr 24 2024