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.

A209129 Triangle of coefficients of polynomials v(n,x) jointly generated with A209128; see the Formula section.

Table of values

n a(n)
1 1
2 0
3 3
4 0
5 2
6 7
7 0
8 2
9 8
10 17
11 0
12 2
13 10
14 28
15 41
16 0
17 2
18 12
19 42
20 88
21 99
22 0
23 2
24 14
25 58
26 154
27 262
28 239
29 0
30 2
31 16
32 76
33 240
34 524
35 752
36 577
37 0
38 2
39 18
40 96
41 348
42 908
43 1692
44 2104
45 1393
46 0
47 2
48 20
49 118
50 480
51 1440
52 3224
53 5260
54 5776
55 3363
56 0
57 2
58 22
59 142
60 638
61 2148
62 5544

List of values

[1, 0, 3, 0, 2, 7, 0, 2, 8, 17, 0, 2, 10, 28, 41, 0, 2, 12, 42, 88, 99, 0, 2, 14, 58, 154, 262, 239, 0, 2, 16, 76, 240, 524, 752, 577, 0, 2, 18, 96, 348, 908, 1692, 2104, 1393, 0, 2, 20, 118, 480, 1440, 3224, 5260, 5776, 3363, 0, 2, 22, 142, 638, 2148, 5544]