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 A175436 #7 Jul 11 2020 07:34:18 %S A175436 1,4,10,12,24,44,50,80,96,120,144,160,192,200,240,280,320,336,352,400, %T A175436 440,520,560,576,640,704,720,800,840,880,920,968,1000,1120,1160,1200, %U A175436 1280,1360,1440,1560,1680,1720,1760,1840,2000,2080,2160,2240,2400,2520 %N A175436 Records in A169784. %H A175436 Rémy Sigrist, <a href="/A175436/a175436.txt">C program for A175436</a> %o A175436 (C) See Links section. %Y A175436 Cf. A169784, A175437. %K A175436 nonn %O A175436 1,2 %A A175436 _Zak Seidov_, May 13 2010 %E A175436 More terms from _Rémy Sigrist_, Jul 11 2020