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 A053303 #13 Feb 16 2025 08:32:42
%S A053303 4,8,20,36,72,114,154,220,282,354,464,540,674,804,906,1132
%N A053303 Length of maximal prime gap p_{k+1} - p_k with starting prime p_k < 10^n.
%C A053303 Prime gaps associated with A053302.
%C A053303 a(17) is probably 1220 and a(19) is probably 1296. - _Robert G. Wilson v_, Mar 16 2004
%H A053303 Thomas R. Nicely, <a href="https://faculty.lynchburg.edu/~nicely/gaps/gaplist.html">First occurrence prime gaps</a> [For local copy see A000101]
%H A053303 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PrimeGaps.html">Prime Gaps</a>
%e A053303 a(1) = 4 from 7 to 11. a(2) = 8 from 89 to 97. a(3) = 20 from 887 to 907.
%e A053303 a(5)=72 because the 5-digit prime 31397 begins a gap of 72.
%Y A053303 p_k's are in A053302. Cf. A005250, A002386. Essentially the same as A038460.
%K A053303 nonn
%O A053303 1,1
%A A053303 _Enoch Haga_, Mar 05 2000
%E A053303 a(16) from _Eric W. Weisstein_, Mar 05 2004