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 A387520 #19 Sep 04 2025 18:47:45
%S A387520 0,2,4,12,13,31,35,50,78,97,128,204,217,241,316,337,352,381,396,407,
%T A387520 428,439,460,471,486,495,599,600,603,605,768,778,857,927,1057,1252,
%U A387520 1318,1919,2244,2524,2554,2809,2866,3384,3896,3930,4373,4668,4709,5446,6006,9236,9289,9514
%N A387520 Record low points in A386487, negated.
%C A387520 In other words, record high points in -A386487.
%H A387520 Michael De Vlieger, <a href="/A387520/b387520.txt">Table of n, a(n) for n = 1..1129</a>
%t A387520 r = -1; s = Import["https://oeis.org/A386482/b386482.txt", "Data"][[All, -1]]; Reap[Do[If[# > r, r = #; Sow[#]] &[n - s[[n]]], {n, Length[s]}] ][[-1, 1]] (* _Michael De Vlieger_, Sep 01 2025 *)
%Y A387520 Cf. A386482, A386487, A386488, A387519, A387521.
%K A387520 nonn,new
%O A387520 1,2
%A A387520 _N. J. A. Sloane_, Sep 01 2025.