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.

A208913 Triangle of coefficients of polynomials u(n,x) jointly generated with A208914; see the Formula section.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 6
6 4
7 1
8 12
9 12
10 8
11 1
12 20
13 24
14 40
15 16
16 1
17 30
18 40
19 120
20 80
21 32
22 1
23 42
24 60
25 280
26 240
27 224
28 64
29 1
30 56
31 84
32 560
33 560
34 896
35 448
36 128
37 1
38 72
39 112
40 1008
41 1120
42 2688
43 1792
44 1152
45 256
46 1
47 90
48 144
49 1680
50 2016
51 6720
52 5376
53 5760
54 2304
55 512
56 1
57 110
58 180

List of values

[1, 1, 2, 1, 6, 4, 1, 12, 12, 8, 1, 20, 24, 40, 16, 1, 30, 40, 120, 80, 32, 1, 42, 60, 280, 240, 224, 64, 1, 56, 84, 560, 560, 896, 448, 128, 1, 72, 112, 1008, 1120, 2688, 1792, 1152, 256, 1, 90, 144, 1680, 2016, 6720, 5376, 5760, 2304, 512, 1, 110, 180]