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.

A209160 Triangle of coefficients of polynomials u(n,x) jointly generated with A209161; see the Formula section.

Table of values

n a(n)
1 1
2 2
3 1
4 3
5 6
6 4
7 4
8 13
9 20
10 10
11 5
12 22
13 52
14 62
15 28
16 6
17 33
18 104
19 192
20 192
21 76
22 7
23 46
24 180
25 444
26 680
27 584
28 208
29 8
30 61
31 284
32 870
33 1776
34 2328
35 1760
36 568
37 9
38 78
39 420
40 1530
41 3876
42 6768
43 7776
44 5256
45 1552
46 10
47 97
48 592
49 2492
50 7504
51 16260
52 24864
53 25464
54 15584

List of values

[1, 2, 1, 3, 6, 4, 4, 13, 20, 10, 5, 22, 52, 62, 28, 6, 33, 104, 192, 192, 76, 7, 46, 180, 444, 680, 584, 208, 8, 61, 284, 870, 1776, 2328, 1760, 568, 9, 78, 420, 1530, 3876, 6768, 7776, 5256, 1552, 10, 97, 592, 2492, 7504, 16260, 24864, 25464, 15584]