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 A036070 #8 Oct 01 2023 12:09:23 %S A036070 1,10,80,560,3584,21504,122880,675840,3604480,18743296,95420416, %T A036070 477102080,2348810240,11408506880,54760833024,260113956864, %U A036070 1224065679360,5712306503680,26456998543360,121702193299456 %N A036070 Expansion of (-1+1/(1-4*x)^4)/(16*x); related to A038846. %H A036070 W. Lang, <a href="http://www.cs.uwaterloo.ca/journals/JIS/index.html">On generalizations of Stirling number triangles</a>, J. Integer Seqs., Vol. 3 (2000), #00.2.4. %H A036070 <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (16, -96, 256, -256). %F A036070 a(n) = 4^(n-1)*binomial(n+4, 3); G.f. (-1+(1-4*x)^(-4))/(x*4^2). %Y A036070 Cf. A038846, A001787. a(n)= A030526(n+1, 1) (first column of triangle). %K A036070 easy,nonn %O A036070 0,2 %A A036070 _Wolfdieter Lang_