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.

A356636 Triangle read by rows. T(n, k) = binomial(n, k) * n!^2 / floor(n/2)!^2.

Table of values

n a(n)
0 1
1 1
2 1
3 4
4 8
5 4
6 36
7 108
8 108
9 36
10 144
11 576
12 864
13 576
14 144
15 3600
16 18000
17 36000
18 36000
19 18000
20 3600
21 14400
22 86400
23 216000
24 288000
25 216000
26 86400
27 14400
28 705600
29 4939200
30 14817600
31 24696000
32 24696000
33 14817600
34 4939200
35 705600

List of values

[1, 1, 1, 4, 8, 4, 36, 108, 108, 36, 144, 576, 864, 576, 144, 3600, 18000, 36000, 36000, 18000, 3600, 14400, 86400, 216000, 288000, 216000, 86400, 14400, 705600, 4939200, 14817600, 24696000, 24696000, 14817600, 4939200, 705600]