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.

A208931 Triangle of coefficients of polynomials u(n,x) jointly generated with A208932; see the Formula section.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 8
6 4
7 1
8 18
9 20
10 8
11 1
12 32
13 64
14 56
15 16
16 1
17 50
18 160
19 224
20 136
21 32
22 1
23 72
24 340
25 680
26 664
27 328
28 64
29 1
30 98
31 644
32 1736
33 2416
34 1872
35 760
36 128
37 1
38 128
39 1120
40 3920
41 7264
42 7856
43 4984
44 1736
45 256
46 1
47 162
48 1824
49 8064
50 19056
51 26992
52 23768
53 12832
54 3896

List of values

[1, 1, 2, 1, 8, 4, 1, 18, 20, 8, 1, 32, 64, 56, 16, 1, 50, 160, 224, 136, 32, 1, 72, 340, 680, 664, 328, 64, 1, 98, 644, 1736, 2416, 1872, 760, 128, 1, 128, 1120, 3920, 7264, 7856, 4984, 1736, 256, 1, 162, 1824, 8064, 19056, 26992, 23768, 12832, 3896]