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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.

A179837 Triangle T(n,k) read by rows: the coefficient [x^k] of the product_{s=1..n} (x+16*cos(s*Pi/(2n+1))^4), 0<=k<=n.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 7
5 1
6 1
7 26
8 13
9 1
10 1
11 70
12 87
13 19
14 1
15 1
16 155
17 403
18 184
19 25
20 1
21 1
22 301
23 1462
24 1216
25 317
26 31
27 1
28 1
29 532
30 4446
31 6190
32 2725
33 486
34 37
35 1
36 1
37 876
38 11826
39 25954
40 17903
41 5146
42 691
43 43
44 1
45 1
46 1365
47 28314
48 93536
49 96055
50 41461
51 8695
52 932
53 49
54 1
55 1
56 2035

List of values

[1, 1, 1, 1, 7, 1, 1, 26, 13, 1, 1, 70, 87, 19, 1, 1, 155, 403, 184, 25, 1, 1, 301, 1462, 1216, 317, 31, 1, 1, 532, 4446, 6190, 2725, 486, 37, 1, 1, 876, 11826, 25954, 17903, 5146, 691, 43, 1, 1, 1365, 28314, 93536, 96055, 41461, 8695, 932, 49, 1, 1, 2035]