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.

A141539 Square array A(n,k) of numbers of length n binary words with at least k "0" between any two "1" digits (n,k >= 0), read by antidiagonals.

Table of values

n a(n)
0 1
1 1
2 2
3 1
4 2
5 4
6 1
7 2
8 3
9 8
10 1
11 2
12 3
13 5
14 16
15 1
16 2
17 3
18 4
19 8
20 32
21 1
22 2
23 3
24 4
25 6
26 13
27 64
28 1
29 2
30 3
31 4
32 5
33 9
34 21
35 128
36 1
37 2
38 3
39 4
40 5
41 7
42 13
43 34
44 256
45 1
46 2
47 3
48 4
49 5
50 6
51 10
52 19
53 55
54 512
55 1
56 2
57 3
58 4
59 5
60 6
61 8
62 14
63 28
64 89
65 1024
66 1
67 2
68 3
69 4
70 5
71 6
72 7
73 11
74 19
75 41
76 144
77 2048
78 1
79 2
80 3
81 4
82 5
83 6
84 7
85 9
86 15
87 26
88 60
89 233
90 4096

List of values

[1, 1, 2, 1, 2, 4, 1, 2, 3, 8, 1, 2, 3, 5, 16, 1, 2, 3, 4, 8, 32, 1, 2, 3, 4, 6, 13, 64, 1, 2, 3, 4, 5, 9, 21, 128, 1, 2, 3, 4, 5, 7, 13, 34, 256, 1, 2, 3, 4, 5, 6, 10, 19, 55, 512, 1, 2, 3, 4, 5, 6, 8, 14, 28, 89, 1024, 1, 2, 3, 4, 5, 6, 7, 11, 19, 41, 144, 2048, 1, 2, 3, 4, 5, 6, 7, 9, 15, 26, 60, 233, 4096]