cp's OEIS Frontend

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.

A321062 Number of ordered pairs (p,q) of permutations of [n] with equal up-down signatures and p(1)=q(1)=6.

Table of values

n a(n)
6 1216
7 19312
8 467696
9 15608288
10 678914816
11 37083546112
12 2475764410944
13 197890932247680
14 18629724957708800
15 2038137238577944576
16 256240757035057154048
17 36670707901174666768384
18 5924904192825339158446080
19 1073049649261575998090559488

List of values

[1216, 19312, 467696, 15608288, 678914816, 37083546112, 2475764410944, 197890932247680, 18629724957708800, 2038137238577944576, 256240757035057154048, 36670707901174666768384, 5924904192825339158446080, 1073049649261575998090559488]