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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.

A249159 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 1
2 1
3 3
4 2
5 2
6 4
7 7
8 2
9 2
10 15
11 18
12 24
13 4
14 4
15 24
16 57
17 30
18 36
19 4
20 4
21 105
22 174
23 282
24 88
25 100
26 8
27 8
28 192
29 561
30 414
31 570
32 120
33 132
34 8
35 8
36 945
37 1950
38 3660
39 1620
40 2040
41 312
42 336
43 16
44 16
45 1920
46 6555
47 6090
48 9360
49 2820
50 3360
51 392
52 416
53 16
54 16
55 10395
56 25290
57 53370

List of values

[1, 1, 1, 3, 2, 2, 4, 7, 2, 2, 15, 18, 24, 4, 4, 24, 57, 30, 36, 4, 4, 105, 174, 282, 88, 100, 8, 8, 192, 561, 414, 570, 120, 132, 8, 8, 945, 1950, 3660, 1620, 2040, 312, 336, 16, 16, 1920, 6555, 6090, 9360, 2820, 3360, 392, 416, 16, 16, 10395, 25290, 53370]