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 A357809 #12 Oct 21 2022 11:39:03
%S A357809 0,4,6,12,24,36,40,54,60,84,96,120,144,168,180,264,360,420,504,600,
%T A357809 840,1176,1320,1440,1680,2280,2520,3024,3120,3960,6120,6300,7560,7800,
%U A357809 8160,11760,14040,19320,21600,27720,30240,38760,52920,55440,65520,83160,85680
%N A357809 Locations of successive records in A357062.
%H A357809 Rémy Sigrist, <a href="/A357809/a357809.txt">C program</a>
%o A357809 (PARI) upto(n) = { w = vector(n); res = List([0]); r = 0; for(i = 1, sqrtnint(n, 3), for(j = i, sqrtint(n\i), for(k = j, n\(i*j), c = i*j*k + i + j + k; if(c <= n, w[c]+=[1,3,6][#Set([i,j,k])]; ) ) ) ); for(i = 1, #w, if(w[i] > r, r = w[i]; listput(res, i); ) ); res };
%o A357809 upto(20000) \\ _David A. Corneth_, Oct 13 2022
%o A357809 (C) See Links section.
%Y A357809 Cf. A357062.
%K A357809 nonn,hard
%O A357809 1,2
%A A357809 _Charles R Greathouse IV_, Oct 13 2022
%E A357809 More terms from _Rémy Sigrist_, Oct 21 2022