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.

A209132 Triangle of coefficients of polynomials v(n,x) jointly generated with A209131; see the Formula section.

Table of values

n a(n)
1 1
2 0
3 3
4 0
5 4
6 5
7 0
8 4
9 12
10 11
11 0
12 4
13 20
14 36
15 21
16 0
17 4
18 28
19 76
20 92
21 43
22 0
23 4
24 36
25 132
26 244
27 228
28 85
29 0
30 4
31 44
32 204
33 508
34 716
35 540
36 171
37 0
38 4
39 52
40 292
41 916
42 1732
43 1972
44 1252
45 341
46 0
47 4
48 60
49 396
50 1500
51 3564
52 5436
53 5196
54 2844
55 683
56 0
57 4
58 68
59 516
60 2292
61 6564

List of values

[1, 0, 3, 0, 4, 5, 0, 4, 12, 11, 0, 4, 20, 36, 21, 0, 4, 28, 76, 92, 43, 0, 4, 36, 132, 244, 228, 85, 0, 4, 44, 204, 508, 716, 540, 171, 0, 4, 52, 292, 916, 1732, 1972, 1252, 341, 0, 4, 60, 396, 1500, 3564, 5436, 5196, 2844, 683, 0, 4, 68, 516, 2292, 6564]