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 A053544 #11 Jul 03 2025 18:22:17 %S A053544 0,0,0,0,5,1,3,5,110,11110,1,2,20,220,220,25,25,30,30,2,2,1, %T A053544 4444444444444444444444444444440,40,1,5,4,2,5,1,8,1,2,3,15,50,23,25, %U A053544 25,2,1,35,40,3,1,40,45,110,100,100,155,3,10,15,1125,100,100,8,25,30,30,3,13,10,1,8,1,2,22,5,275,13,17,2,1,150,25,1,20 %N A053544 A052999 / 18. %Y A053544 Cf. A052902, A052999, A053544, A052495. %K A053544 base,easy,nonn %O A053544 1,5 %A A053544 _N. J. A. Sloane_, Mar 16 2000 %E A053544 More terms from _Asher Auel_, May 12 2000 %E A053544 a(23) corrected by _Sean A. Irvine_, Dec 27 2021