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 A292751 #18 Jan 21 2019 06:11:03 %S A292751 0,1,2,6,24,240,5040,110880,2298240,47900160,1117670400,31654022400, %T A292751 1064820556800,39404587622400,1532420002713600,62512065487872000, %U A292751 2723498636931072000,128376129298120704000,6524556605528113152000,352829667414210674688000 %N A292751 a(n) = n!*A063019(n). %H A292751 Robert Price, <a href="/A292751/b292751.txt">Table of n, a(n) for n = 0..104</a> %H A292751 John Engbers, David Galvin, Clifford Smyth, <a href="https://arxiv.org/abs/1610.05803">Restricted Stirling and Lah numbers and their inverses</a>, arXiv:1610.05803 [math.CO], 2016. %t A292751 nmax = 20; CoefficientList[InverseSeries[x - x^2 + x^3 - x^4 + O[x]^(nmax+1), x], x]*Range[0, nmax]! (* _Jean-François Alcover_, Jan 21 2019 *) %o A292751 (PARI) seq(n)=Vec(serlaplace(serreverse(x - x^2 + x^3 - x^4 + O(x*x^n))), -(n+1)) \\ _Andrew Howroyd_, Nov 11 2018 %Y A292751 Cf. A063019. %K A292751 nonn %O A292751 0,3 %A A292751 _N. J. A. Sloane_, Sep 22 2017 %E A292751 Offset changed to zero and more terms added by _Robert Price_, Oct 19 2017