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 A278576 #20 Jul 23 2024 11:07:09
%S A278576 1,5,36,313,3145,35500,441951,5989413,87496610,1367284215,22714400561,
%T A278576 399122562838,7386136082045,143434180479665,2913717863731996,
%U A278576 61746352166762613,1361745345400563725,31186806216360128300,740294632899931980131,18182298488225724570513
%N A278576 E.g.f. = exp(5*(exp(t)-1) + 3*(exp(t)-1)^2).
%H A278576 Jocelyn Quaintance, <a href="http://arxiv.org/abs/math/0412244">Letter Representations of m x n x p Proper Arrays</a> (2004), arXiv:math/0412244. See Theorem 5.1, but note that the e.g.f. given there is incorrect.
%H A278576 Jocelyn Quaintance, <a href="http://arxiv.org/abs/math/0412280">Word Representations of m x n x p Proper Arrays</a>, (2004), arXiv:math/0412280; Discrete Mathematics, Volume 309, Issue 6, 6 April 2009, Pages 1199-1212. See last line of text on page 1212 of the Discrete Math. version of the paper.
%t A278576 With[{nn=20},CoefficientList[Series[Exp[5*(Exp[x]-1)+3(Exp[x]-1)^2],{x,0,nn}],x] Range[ 0,nn]!] (* _Harvey P. Dale_, Jul 23 2024 *)
%Y A278576 Cf. A129872-A129886.
%K A278576 nonn
%O A278576 0,2
%A A278576 _N. J. A. Sloane_, Nov 28 2016