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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.

A248809 Triangular array: row n gives the coefficients of the polynomial p(n,x) defined in Comments.

Table of values

n a(n)
0 1
1 2
2 1
3 3
4 2
5 1
6 8
7 7
8 2
9 1
10 15
11 18
12 12
13 2
14 1
15 48
16 57
17 30
18 18
19 2
20 1
21 105
22 174
23 141
24 44
25 25
26 2
27 1
28 384
29 561
30 414
31 285
32 60
33 33
34 2
35 1
36 945
37 1950
38 1830
39 810
40 510
41 78
42 42
43 2
44 1
45 3840
46 6555
47 6090
48 4680
49 1410
50 840
51 98
52 52
53 2
54 1
55 10395
56 25290
57 26685
58 15000
59 10290

List of values

[1, 2, 1, 3, 2, 1, 8, 7, 2, 1, 15, 18, 12, 2, 1, 48, 57, 30, 18, 2, 1, 105, 174, 141, 44, 25, 2, 1, 384, 561, 414, 285, 60, 33, 2, 1, 945, 1950, 1830, 810, 510, 78, 42, 2, 1, 3840, 6555, 6090, 4680, 1410, 840, 98, 52, 2, 1, 10395, 25290, 26685, 15000, 10290]