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 A100167 #15 Sep 08 2022 08:45:15
%S A100167 1,38,171,460,965,1746,2863,4376,6345,8830,11891,15588,19981,25130,
%T A100167 31095,37936,45713,54486,64315,75260,87381,100738,115391,131400,
%U A100167 148825,167726,188163,210196,233885,259290,286471,315488
%N A100167 Structured pentagonal icositetrahedral numbers (vertex structure 13).
%H A100167 Vincenzo Librandi, <a href="/A100167/b100167.txt">Table of n, a(n) for n = 1..5000</a>
%H A100167 <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (4,-6,4,-1).
%F A100167 a(n) = (1/6)*(60*n^3 - 72*n^2 + 18*n).
%F A100167 G.f.: x*(1 + 34*x + 25*x^2)/(1-x)^4. - _Colin Barker_, Feb 14 2012
%t A100167 Table[(60n^3-72n^2+18n)/6,{n,40}] (* or *) LinearRecurrence[{4,-6,4,-1},{1,38,171,460},40] (* _Harvey P. Dale_, Aug 21 2016 *)
%o A100167 (Magma) [(1/6)*(60*n^3-72*n^2+18*n): n in [1..40]]; // _Vincenzo Librandi_, Jul 26 2011
%Y A100167 Cf. A100168 = alternate vertex; A100145 for more on structured numbers.
%K A100167 easy,nonn
%O A100167 1,2
%A A100167 James A. Record (james.record(AT)gmail.com), Nov 07 2004