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.

A209134 Triangle of coefficients of polynomials v(n,x) jointly generated with A209133; see the Formula section.

Table of values

n a(n)
1 1
2 0
3 4
4 0
5 4
6 10
7 0
8 4
9 18
10 28
11 0
12 4
13 26
14 72
15 76
16 0
17 4
18 34
19 132
20 256
21 208
22 0
23 4
24 42
25 208
26 572
27 864
28 568
29 0
30 4
31 50
32 300
33 1056
34 2272
35 2808
36 1552
37 0
38 4
39 58
40 408
41 1740
42 4800
43 8496
44 8896
45 4240
46 0
47 4
48 66
49 532
50 2656
51 8880
52 20208
53 30432
54 27648
55 11584
56 0
57 4
58 74

List of values

[1, 0, 4, 0, 4, 10, 0, 4, 18, 28, 0, 4, 26, 72, 76, 0, 4, 34, 132, 256, 208, 0, 4, 42, 208, 572, 864, 568, 0, 4, 50, 300, 1056, 2272, 2808, 1552, 0, 4, 58, 408, 1740, 4800, 8496, 8896, 4240, 0, 4, 66, 532, 2656, 8880, 20208, 30432, 27648, 11584, 0, 4, 74]