cp's OEIS Frontend

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.

A208521 Triangle of coefficients of polynomials v(n,x) jointly generated with A208520; see the Formula section.

Table of values

n a(n)
1 1
2 2
3 2
4 3
5 4
6 2
7 4
8 6
9 8
10 4
11 5
12 8
13 20
14 16
15 4
16 6
17 10
18 40
19 40
20 24
21 8
22 7
23 12
24 70
25 80
26 84
27 48
28 8
29 8
30 14
31 112
32 140
33 224
34 168
35 64
36 16
37 9
38 16
39 168
40 224
41 504
42 448
43 288
44 128
45 16
46 10
47 18
48 240
49 336
50 1008
51 1008
52 960
53 576
54 160
55 32
56 11
57 20
58 330
59 480
60 1848
61 2016
62 2640
63 1920

List of values

[1, 2, 2, 3, 4, 2, 4, 6, 8, 4, 5, 8, 20, 16, 4, 6, 10, 40, 40, 24, 8, 7, 12, 70, 80, 84, 48, 8, 8, 14, 112, 140, 224, 168, 64, 16, 9, 16, 168, 224, 504, 448, 288, 128, 16, 10, 18, 240, 336, 1008, 1008, 960, 576, 160, 32, 11, 20, 330, 480, 1848, 2016, 2640, 1920]