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.

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

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 5
6 1
7 1
8 5
9 15
10 1
11 1
12 5
13 23
14 37
15 1
16 1
17 5
18 23
19 89
20 83
21 1
22 1
23 5
24 23
25 105
26 295
27 177
28 1
29 1
30 5
31 23
32 105
33 447
34 873
35 367
36 1
37 1
38 5
39 23
40 105
41 479
42 1721
43 2383
44 749
45 1
46 1
47 5
48 23
49 105
50 479
51 2121
52 6015
53 6137
54 1515
55 1
56 1
57 5
58 23
59 105
60 479
61 2185
62 8847
63 19369
64 15143

List of values

[1, 1, 1, 1, 5, 1, 1, 5, 15, 1, 1, 5, 23, 37, 1, 1, 5, 23, 89, 83, 1, 1, 5, 23, 105, 295, 177, 1, 1, 5, 23, 105, 447, 873, 367, 1, 1, 5, 23, 105, 479, 1721, 2383, 749, 1, 1, 5, 23, 105, 479, 2121, 6015, 6137, 1515, 1, 1, 5, 23, 105, 479, 2185, 8847, 19369, 15143]