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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.

A091444 Concatenate binary vectors ordered first by length, then by the number of 1's and finally lexicographically.

Table of values

n a(n)
0 0
1 1
2 0
3 0
4 0
5 1
6 1
7 0
8 1
9 1
10 0
11 0
12 0
13 0
14 0
15 1
16 0
17 1
18 0
19 1
20 0
21 0
22 0
23 1
24 1
25 1
26 0
27 1
28 1
29 1
30 0
31 1
32 1
33 1
34 0
35 0
36 0
37 0
38 0
39 0
40 0
41 1
42 0
43 0
44 1
45 0
46 0
47 1
48 0
49 0
50 1
51 0
52 0
53 0
54 0
55 0
56 1
57 1
58 0
59 1
60 0
61 1
62 0
63 1
64 1
65 0
66 1
67 0
68 0
69 1
70 1
71 0
72 1
73 0
74 1
75 1
76 0
77 0
78 0
79 1
80 1
81 1
82 1
83 0
84 1
85 1
86 1
87 1
88 0
89 1
90 1
91 1
92 1
93 0
94 1
95 1
96 1
97 1

List of values

[0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1]