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.

A208756 Triangle of coefficients of polynomials v(n,x) jointly generated with A208755; see the Formula section.

Table of values

n a(n)
1 1
2 0
3 2
4 0
5 1
6 4
7 0
8 1
9 3
10 8
11 0
12 1
13 3
14 9
15 16
16 0
17 1
18 3
19 11
20 23
21 32
22 0
23 1
24 3
25 13
26 31
27 57
28 64
29 0
30 1
31 3
32 15
33 39
34 87
35 135
36 128
37 0
38 1
39 3
40 17
41 47
42 121
43 227
44 313
45 256
46 0
47 1
48 3
49 19
50 55
51 159
52 339
53 579
54 711
55 512
56 0
57 1
58 3
59 21
60 63
61 201
62 471
63 933
64 1431
65 1593
66 1024
67 0
68 1
69 3
70 23
71 71

List of values

[1, 0, 2, 0, 1, 4, 0, 1, 3, 8, 0, 1, 3, 9, 16, 0, 1, 3, 11, 23, 32, 0, 1, 3, 13, 31, 57, 64, 0, 1, 3, 15, 39, 87, 135, 128, 0, 1, 3, 17, 47, 121, 227, 313, 256, 0, 1, 3, 19, 55, 159, 339, 579, 711, 512, 0, 1, 3, 21, 63, 201, 471, 933, 1431, 1593, 1024, 0, 1, 3, 23, 71]