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 A374821 #14 Dec 12 2024 15:31:53 %S A374821 2,4,4,8,16,199,16,64,2309,47000,32,256,28225,4001278,410131245,64, %T A374821 1024,364217,384285926 %N A374821 Antichain-Boolean Quilt Numbers: Square table of the number of ASM quilts of type B_n x A_2(j) read down antidiagonals, where B_n is the Boolean lattice and A_2(j) is the rank 2 poset with a unique minimal and maximal element and j atoms. %H A374821 Sara Billey and Matjaž Konvalinka, <a href="https://arxiv.org/abs/2412.03236">Generalized rank functions and quilts of alternating sign matrices</a>, arXiv:2412.03236 [math.CO], 2024. See p. 33. %Y A374821 Cf. A374819, A374820, A374822, A297622, A374824. %K A374821 nonn,tabl,more %O A374821 1,1 %A A374821 _Sara Billey_ and _Matjaz Konvalinka_, Jul 21 2024