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.

A208751 Triangle of coefficients of polynomials u(n,x) jointly generated with A208752; see the Formula section.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 6
6 2
7 1
8 12
9 12
10 2
11 1
12 20
13 40
14 18
15 2
16 1
17 30
18 100
19 86
20 24
21 2
22 1
23 42
24 210
25 294
26 150
27 30
28 2
29 1
30 56
31 392
32 812
33 656
34 232
35 36
36 2
37 1
38 72
39 672
40 1932
41 2268
42 1240
43 332
44 42
45 2
46 1
47 90
48 1080
49 4116
50 6624
51 5172
52 2100
53 450
54 48
55 2
56 1
57 110
58 1650
59 8052
60 17028
61 17996

List of values

[1, 1, 2, 1, 6, 2, 1, 12, 12, 2, 1, 20, 40, 18, 2, 1, 30, 100, 86, 24, 2, 1, 42, 210, 294, 150, 30, 2, 1, 56, 392, 812, 656, 232, 36, 2, 1, 72, 672, 1932, 2268, 1240, 332, 42, 2, 1, 90, 1080, 4116, 6624, 5172, 2100, 450, 48, 2, 1, 110, 1650, 8052, 17028, 17996]