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.

A209705 Triangle of coefficients of polynomials u(n,x) jointly generated with A209706; see the Formula section.

Table of values

n a(n)
1 1
2 0
3 2
4 0
5 3
6 4
7 0
8 4
9 10
10 8
11 0
12 5
13 18
14 28
15 16
16 0
17 6
18 28
19 64
20 72
21 32
22 0
23 7
24 40
25 120
26 200
27 176
28 64
29 0
30 8
31 54
32 200
33 440
34 576
35 416
36 128
37 0
38 9
39 70
40 308
41 840
42 1456
43 1568
44 960
45 256
46 0
47 10
48 88
49 448
50 1456
51 3136
52 4480
53 4096
54 2176
55 512
56 0
57 11
58 108
59 624
60 2352
61 6048

List of values

[1, 0, 2, 0, 3, 4, 0, 4, 10, 8, 0, 5, 18, 28, 16, 0, 6, 28, 64, 72, 32, 0, 7, 40, 120, 200, 176, 64, 0, 8, 54, 200, 440, 576, 416, 128, 0, 9, 70, 308, 840, 1456, 1568, 960, 256, 0, 10, 88, 448, 1456, 3136, 4480, 4096, 2176, 512, 0, 11, 108, 624, 2352, 6048]