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 A321062 #4 Oct 27 2018 14:24:38 %S A321062 1216,19312,467696,15608288,678914816,37083546112,2475764410944, %T A321062 197890932247680,18629724957708800,2038137238577944576, %U A321062 256240757035057154048,36670707901174666768384,5924904192825339158446080,1073049649261575998090559488 %N A321062 Number of ordered pairs (p,q) of permutations of [n] with equal up-down signatures and p(1)=q(1)=6. %Y A321062 Column k=6 of A262372. %K A321062 nonn %O A321062 6,1 %A A321062 _Alois P. Heinz_, Oct 26 2018