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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.

A371080 Triangle read by rows: BellMatrix(Product_{p in P(n)} p), where P(n) = {k : k mod m = 1 and 1 <= k <= m*(n + 1)} and m = 3.

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 4
5 1
6 0
7 28
8 12
9 1
10 0
11 280
12 160
13 24
14 1
15 0
16 3640
17 2520
18 520
19 40
20 1
21 0
22 58240
23 46480
24 11880
25 1280
26 60
27 1
28 0
29 1106560
30 987840
31 295960
32 40040
33 2660
34 84
35 1
36 0
37 24344320
38 23826880
39 8090880
40 1296960
41 109200
42 4928
43 112
44 1

List of values

[1, 0, 1, 0, 4, 1, 0, 28, 12, 1, 0, 280, 160, 24, 1, 0, 3640, 2520, 520, 40, 1, 0, 58240, 46480, 11880, 1280, 60, 1, 0, 1106560, 987840, 295960, 40040, 2660, 84, 1, 0, 24344320, 23826880, 8090880, 1296960, 109200, 4928, 112, 1]