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.

A209748 Triangle of coefficients of polynomials v(n,x) jointly generated with A209747; see the Formula section.

Table of values

n a(n)
1 1
2 3
3 5
4 2
5 9
6 6
7 2
8 15
9 16
10 8
11 2
12 25
13 36
14 26
15 10
16 2
17 41
18 76
19 70
20 38
21 12
22 2
23 67
24 152
25 172
26 118
27 52
28 14
29 2
30 109
31 294
32 394
33 328
34 182
35 68
36 16
37 2
38 177
39 554
40 860
41 840
42 562
43 264
44 86
45 18
46 2
47 287
48 1024
49 1808
50 2028
51 1584
52 894
53 366
54 106
55 20
56 2
57 465
58 1864
59 3692
60 4676

List of values

[1, 3, 5, 2, 9, 6, 2, 15, 16, 8, 2, 25, 36, 26, 10, 2, 41, 76, 70, 38, 12, 2, 67, 152, 172, 118, 52, 14, 2, 109, 294, 394, 328, 182, 68, 16, 2, 177, 554, 860, 840, 562, 264, 86, 18, 2, 287, 1024, 1808, 2028, 1584, 894, 366, 106, 20, 2, 465, 1864, 3692, 4676]