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.

A361032 Square array read by ascending antidiagonals: T(n,k) = F(n) * (4*k)!/(k!*(k + n + 1)!^3), where F(n) = (1/8)*(4*n + 4)!/(n + 1)!; n, k >= 0.

Table of values

n a(n)
0 3
1 315
2 9
3 46200
4 280
5 280
6 7882875
7 17325
8 3675
9 17325
10 1466593128
11 1513512
12 116424
13 116424
14 1513512
15 288592936632
16 162954792
17 5885880
18 2134440
19 5885880
20 162954792
21 59064793444800
22 20193091776
23 399072960
24 67953600
25 67953600
26 399072960
27 20193091776
28 12445136556298875

List of values

[3, 315, 9, 46200, 280, 280, 7882875, 17325, 3675, 17325, 1466593128, 1513512, 116424, 116424, 1513512, 288592936632, 162954792, 5885880, 2134440, 5885880, 162954792, 59064793444800, 20193091776, 399072960, 67953600, 67953600, 399072960, 20193091776, 12445136556298875]