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 A273583 #9 Jul 19 2017 10:42:50 %S A273583 1,6,34,192,1134,6716,40872,255308,1646736,10966948,75443030, %T A273583 534853224,3896868930,29123747126,222952505194,1746931730522, %U A273583 14000986111688,114736915809792,960962428696876,8221685556988910,71811228291496646,639892151737631798 %N A273583 Number of solid standard Young tableaux of n cells and height three. %H A273583 S. B. Ekhad, D. Zeilberger, <a href="https://arxiv.org/abs/1202.6229">Computational and Theoretical Challenges on Counting Solid Standard Young Tableaux</a>, arXiv:1202.6229 [math.CO], 2012 %H A273583 Wikipedia, <a href="https://en.wikipedia.org/wiki/Young_tableau">Young tableau</a> %Y A273583 Column k=3 of A214753. %K A273583 nonn %O A273583 3,2 %A A273583 _Alois P. Heinz_, May 25 2016