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.

A209157 Triangle of coefficients of polynomials v(n,x) jointly generated with A209154; see the Formula section.

Table of values

n a(n)
1 1
2 2
3 2
4 3
5 6
6 2
7 4
8 14
9 12
10 4
11 5
12 28
13 40
14 24
15 4
16 6
17 50
18 104
19 96
20 40
21 8
22 7
23 82
24 234
25 304
26 204
27 72
28 8
29 8
30 126
31 476
32 820
33 768
34 408
35 112
36 16
37 9
38 184
39 896
40 1968
41 2408
42 1760
43 768
44 192
45 16
46 10
47 258
48 1584
49 4320
50 6640
51 6288
52 3776
53 1408
54 288
55 32
56 11
57 350
58 2658

List of values

[1, 2, 2, 3, 6, 2, 4, 14, 12, 4, 5, 28, 40, 24, 4, 6, 50, 104, 96, 40, 8, 7, 82, 234, 304, 204, 72, 8, 8, 126, 476, 820, 768, 408, 112, 16, 9, 184, 896, 1968, 2408, 1760, 768, 192, 16, 10, 258, 1584, 4320, 6640, 6288, 3776, 1408, 288, 32, 11, 350, 2658]