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.

A209570 Triangle of coefficients of polynomials v(n,x) jointly generated with A209569; see the Formula section.

Table of values

n a(n)
1 1
2 2
3 2
4 3
5 4
6 2
7 4
8 8
9 8
10 2
11 5
12 14
13 20
14 12
15 2
16 6
17 22
18 42
19 40
20 16
21 2
22 7
23 32
24 78
25 102
26 68
27 20
28 2
29 8
30 44
31 132
32 222
33 210
34 104
35 24
36 2
37 9
38 58
39 208
40 432
41 534
42 382
43 148
44 28
45 2
46 10
47 74
48 310
49 772
50 1188
51 1126
52 634
53 200
54 32
55 2
56 11
57 92
58 442
59 1290
60 2392
61 2848
62 2142
63 982

List of values

[1, 2, 2, 3, 4, 2, 4, 8, 8, 2, 5, 14, 20, 12, 2, 6, 22, 42, 40, 16, 2, 7, 32, 78, 102, 68, 20, 2, 8, 44, 132, 222, 210, 104, 24, 2, 9, 58, 208, 432, 534, 382, 148, 28, 2, 10, 74, 310, 772, 1188, 1126, 634, 200, 32, 2, 11, 92, 442, 1290, 2392, 2848, 2142, 982]