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.

A209572 Triangle of coefficients of polynomials v(n,x) jointly generated with A209571; see the Formula section.

Table of values

n a(n)
1 1
2 1
3 3
4 1
5 3
6 5
7 1
8 3
9 11
10 7
11 1
12 3
13 11
14 29
15 9
16 1
17 3
18 11
19 41
20 61
21 11
22 1
23 3
24 11
25 41
26 129
27 111
28 13
29 1
30 3
31 11
32 41
33 153
34 339
35 183
36 15
37 1
38 3
39 11
40 41
41 153
42 523
43 771
44 281
45 17
46 1
47 3
48 11
49 41
50 153
51 571
52 1571
53 1569
54 409
55 19
56 1
57 3
58 11
59 41
60 153
61 571
62 2035
63 4161
64 2929
65 571
66 21

List of values

[1, 1, 3, 1, 3, 5, 1, 3, 11, 7, 1, 3, 11, 29, 9, 1, 3, 11, 41, 61, 11, 1, 3, 11, 41, 129, 111, 13, 1, 3, 11, 41, 153, 339, 183, 15, 1, 3, 11, 41, 153, 523, 771, 281, 17, 1, 3, 11, 41, 153, 571, 1571, 1569, 409, 19, 1, 3, 11, 41, 153, 571, 2035, 4161, 2929, 571, 21]