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.

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

Table of values

n a(n)
1 1
2 1
3 4
4 1
5 6
6 10
7 1
8 8
9 24
10 28
11 1
12 10
13 42
14 88
15 76
16 1
17 12
18 64
19 188
20 300
21 208
22 1
23 14
24 90
25 336
26 760
27 984
28 568
29 1
30 16
31 120
32 540
33 1560
34 2880
35 3136
36 1552
37 1
38 18
39 154
40 808
41 2820
42 6672
43 10416
44 9792
45 4240
46 1
47 20
48 192
49 1148
50 4676
51 13392
52 26880
53 36384
54 30096

List of values

[1, 1, 4, 1, 6, 10, 1, 8, 24, 28, 1, 10, 42, 88, 76, 1, 12, 64, 188, 300, 208, 1, 14, 90, 336, 760, 984, 568, 1, 16, 120, 540, 1560, 2880, 3136, 1552, 1, 18, 154, 808, 2820, 6672, 10416, 9792, 4240, 1, 20, 192, 1148, 4676, 13392, 26880, 36384, 30096]