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 A333573 #10 Mar 29 2020 10:39:24 %S A333573 0,1,2,3,5,7,9,12,17,20,24,28,34,37,44,49,56,63,73,79,87,94,105,110, %T A333573 122,132,144,153,166,177,187,199,215,225,243,252,271,282,300,314,328, %U A333573 343,364,379,399,413,435,448,471,490,513,530,554,572,594,613,640,657 %N A333573 a(n) = A333572(n)/4. %H A333573 Robert Israel, <a href="/A333573/b333573.txt">Table of n, a(n) for n = 1..2000</a> %Y A333573 Cf. A004018, A232705, A333462, A333572. %K A333573 nonn %O A333573 1,3 %A A333573 _Hugo Pfoertner_, Mar 27 2020