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 A192094 #17 Nov 28 2016 02:43:03 %S A192094 1,34,821,852,922,1165,1404,1914,2562,4618,7450,14979,22803,38778, %T A192094 54826,85506,123690,191034,298131,470051,773762,1207994,1972850, %U A192094 3009562,4793090,7277059,11448307,17673010,27794938,43769170,68676058 %N A192094 Number of tatami tilings of an 8 X n grid (with monomers allowed). %C A192094 A tatami tiling consists of dimers (1 X 2) and monomers (1 X 1) where no four meet at a point. %H A192094 A. Erickson, F. Ruskey, M. Schurch and J. Woodcock, <a href="http://www.combinatorics.org/Volume_18/Abstracts/v18i1p109.html">Monomer-Dimer Tatami Tilings of Rectangular Regions</a>, Electronic Journal of Combinatorics, 18(1) (2011) P109, 24 pages. %e A192094 Here are some tatami tilings of the 8 X 3 grid: %e A192094 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ %e A192094 |_ _| |_| |_| |_| |_| |_|_ _| |_| | | |_ _| |_| |_| | |_| | |_ _| |_ _| %e A192094 |_ _|_| |_| |_| | | |_|_ _| |_| |_| |_| |_|_| |_| |_| | |_|_| | |_|_| | %e A192094 |_|_ _|_|_|_|_|_| |_|_ _|_|_|_|_|_| |_|_|_ _|_|_|_|_| |_|_ _|_|_|_ _|_| %Y A192094 Cf. A192093. %K A192094 nonn %O A192094 0,2 %A A192094 _Frank Ruskey_ and Yuji Yamauchi (eugene.uti(AT)gmail.com), Jul 14 2011