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 A321063 #4 Oct 27 2018 14:25:15 %S A321063 24176,533544,16860608,707767328,37727416576,2475764410944, %T A321063 195463415776768,18237517555977472,1982309731660474368, %U A321063 248048061418810109952,35377310696428547145728,5702015244617382235000832,1030924606332352092323577856,207727724955575700214833766400 %N A321063 Number of ordered pairs (p,q) of permutations of [n] with equal up-down signatures and p(1)=q(1)=7. %Y A321063 Column k=7 of A262372. %K A321063 nonn %O A321063 7,1 %A A321063 _Alois P. Heinz_, Oct 26 2018