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.

A207536 Triangle of coefficients of polynomials u(n,x) jointly generated with A105070; see Formula section.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 6
6 1
7 12
8 4
9 1
10 20
11 20
12 1
13 30
14 60
15 8
16 1
17 42
18 140
19 56
20 1
21 56
22 280
23 224
24 16
25 1
26 72
27 504
28 672
29 144
30 1
31 90
32 840
33 1680
34 720
35 32
36 1
37 110
38 1320
39 3696
40 2640
41 352
42 1
43 132
44 1980
45 7392
46 7920
47 2112
48 64
49 1
50 156
51 2860
52 13728
53 20592
54 9152
55 832
56 1
57 182
58 4004

List of values

[1, 1, 2, 1, 6, 1, 12, 4, 1, 20, 20, 1, 30, 60, 8, 1, 42, 140, 56, 1, 56, 280, 224, 16, 1, 72, 504, 672, 144, 1, 90, 840, 1680, 720, 32, 1, 110, 1320, 3696, 2640, 352, 1, 132, 1980, 7392, 7920, 2112, 64, 1, 156, 2860, 13728, 20592, 9152, 832, 1, 182, 4004]