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.

A209149 Triangle of coefficients of polynomials v(n,x) jointly generated with A209146; see the Formula section.

Table of values

n a(n)
1 1
2 3
3 1
4 6
5 5
6 1
7 12
8 16
9 7
10 1
11 24
12 44
13 30
14 9
15 1
16 48
17 112
18 104
19 48
20 11
21 1
22 96
23 272
24 320
25 200
26 70
27 13
28 1
29 192
30 640
31 912
32 720
33 340
34 96
35 15
36 1
37 384
38 1472
39 2464
40 2352
41 1400
42 532
43 126
44 17
45 1
46 768
47 3328
48 6400
49 7168
50 5152
51 2464
52 784
53 160
54 19
55 1
56 1536
57 7424

List of values

[1, 3, 1, 6, 5, 1, 12, 16, 7, 1, 24, 44, 30, 9, 1, 48, 112, 104, 48, 11, 1, 96, 272, 320, 200, 70, 13, 1, 192, 640, 912, 720, 340, 96, 15, 1, 384, 1472, 2464, 2352, 1400, 532, 126, 17, 1, 768, 3328, 6400, 7168, 5152, 2464, 784, 160, 19, 1, 1536, 7424]