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.

A099766 Triangle read by rows: T(n,k) = number of unbordered binary words of length n and weight k, n >= 0, 0 <= k <= n.

Table of values

n a(n)
0 1
1 1
2 1
3 0
4 2
5 0
6 0
7 2
8 2
9 0
10 0
11 2
12 2
13 2
14 0
15 0
16 2
17 4
18 4
19 2
20 0
21 0
22 2
23 4
24 8
25 4
26 2
27 0
28 0
29 2
30 6
31 12
32 12
33 6
34 2
35 0
36 0
37 2
38 6
39 18
40 22
41 18
42 6
43 2
44 0
45 0
46 2
47 8
48 24
49 40
50 40
51 24
52 8
53 2
54 0
55 0
56 2
57 8
58 32
59 60
60 80
61 60
62 32
63 8
64 2
65 0
66 0
67 2
68 10
69 40
70 92
71 140
72 140
73 92
74 40
75 10
76 2
77 0
78 0
79 2
80 10
81 50
82 128
83 232

List of values

[1, 1, 1, 0, 2, 0, 0, 2, 2, 0, 0, 2, 2, 2, 0, 0, 2, 4, 4, 2, 0, 0, 2, 4, 8, 4, 2, 0, 0, 2, 6, 12, 12, 6, 2, 0, 0, 2, 6, 18, 22, 18, 6, 2, 0, 0, 2, 8, 24, 40, 40, 24, 8, 2, 0, 0, 2, 8, 32, 60, 80, 60, 32, 8, 2, 0, 0, 2, 10, 40, 92, 140, 140, 92, 40, 10, 2, 0, 0, 2, 10, 50, 128, 232]