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 A333036 #11 May 30 2020 14:31:02 %S A333036 8,172,964,3316,8524,18188,34540,59908,97324,150028,221692,316124, %T A333036 438364,592364,784060,1019468,1304996,1644900,2047412,2519172,3068556, %U A333036 3704004,4434044,5265868,6211652,7276492,8474484,9813996,11304292,12958380,14791124,16810732 %N A333036 Number of edges in an equal-armed cross with arms of length n (see Comments in A331456 for definition). %C A333036 See the links in A331456 for images of the crosses. %H A333036 Lars Blomberg, <a href="/A333036/b333036.txt">Table of n, a(n) for n = 0..48</a> %Y A333036 Cf. A331456 (regions), A333035 (vertices), A333037 (n-gons), A274586 , A332600, A331765. %K A333036 nonn %O A333036 0,1 %A A333036 _Scott R. Shannon_ and _N. J. A. Sloane_, Mar 06 2020 %E A333036 a(11) and beyond from _Lars Blomberg_, May 30 2020