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.

A209580 Triangle of coefficients of polynomials v(n,x) jointly generated with A209579; see the Formula section.

Table of values

n a(n)
1 1
2 2
3 2
4 2
5 4
6 3
7 3
8 7
9 8
10 4
11 3
12 11
13 19
14 15
15 5
16 4
17 15
18 34
19 43
20 26
21 6
22 4
23 21
24 57
25 91
26 87
27 42
28 7
29 5
30 26
31 87
32 176
33 217
34 163
35 64
36 8
37 5
38 34
39 126
40 301
41 473
42 472
43 288
44 93
45 9
46 6
47 40
48 176
49 489
50 908
51 1150
52 954
53 485
54 130
55 10
56 6
57 50
58 235
59 745
60 1626
61 2460
62 2587
63 1817
64 784

List of values

[1, 2, 2, 2, 4, 3, 3, 7, 8, 4, 3, 11, 19, 15, 5, 4, 15, 34, 43, 26, 6, 4, 21, 57, 91, 87, 42, 7, 5, 26, 87, 176, 217, 163, 64, 8, 5, 34, 126, 301, 473, 472, 288, 93, 9, 6, 40, 176, 489, 908, 1150, 954, 485, 130, 10, 6, 50, 235, 745, 1626, 2460, 2587, 1817, 784]