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.

A209576 Triangle of coefficients of polynomials v(n,x) jointly generated with A209575; see the Formula section.

Table of values

n a(n)
1 1
2 1
3 4
4 1
5 4
6 10
7 1
8 4
9 18
10 22
11 1
12 4
13 18
14 66
15 46
16 1
17 4
18 18
19 82
20 206
21 94
22 1
23 4
24 18
25 82
26 342
27 578
28 190
29 1
30 4
31 18
32 82
33 374
34 1274
35 1510
36 382
37 1
38 4
39 18
40 82
41 374
42 1642
43 4294
44 3754
45 766
46 1
47 4
48 18
49 82
50 374
51 1706
52 6726
53 13354
54 9006
55 1534
56 1
57 4
58 18
59 82
60 374
61 1706

List of values

[1, 1, 4, 1, 4, 10, 1, 4, 18, 22, 1, 4, 18, 66, 46, 1, 4, 18, 82, 206, 94, 1, 4, 18, 82, 342, 578, 190, 1, 4, 18, 82, 374, 1274, 1510, 382, 1, 4, 18, 82, 374, 1642, 4294, 3754, 766, 1, 4, 18, 82, 374, 1706, 6726, 13354, 9006, 1534, 1, 4, 18, 82, 374, 1706]