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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.

A371076 Triangle read by rows: T(n, k) = 3^n*Sum_{j=0..k} (-1)^(k - j)*binomial(k, j) * Pochhammer(j/3, n).

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 4
5 2
6 0
7 28
8 24
9 6
10 0
11 280
12 320
13 144
14 24
15 0
16 3640
17 5040
18 3120
19 960
20 120
21 0
22 58240
23 92960
24 71280
25 30720
26 7200
27 720
28 0
29 1106560
30 1975680
31 1775760
32 960960
33 319200
34 60480
35 5040
36 0
37 24344320
38 47653760
39 48545280
40 31127040
41 13104000
42 3548160
43 564480
44 40320

List of values

[1, 0, 1, 0, 4, 2, 0, 28, 24, 6, 0, 280, 320, 144, 24, 0, 3640, 5040, 3120, 960, 120, 0, 58240, 92960, 71280, 30720, 7200, 720, 0, 1106560, 1975680, 1775760, 960960, 319200, 60480, 5040, 0, 24344320, 47653760, 48545280, 31127040, 13104000, 3548160, 564480, 40320]