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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.

A182620 Triangle T(n,k) read by rows in which row n lists the divisors of n, written in base 2.

Table of values

n a(n)
1 1
2 1
3 10
4 1
5 11
6 1
7 10
8 100
9 1
10 101
11 1
12 10
13 11
14 110
15 1
16 111
17 1
18 10
19 100
20 1000
21 1
22 11
23 1001
24 1
25 10
26 101
27 1010
28 1
29 1011
30 1
31 10
32 11
33 100
34 110
35 1100
36 1
37 1101
38 1
39 10
40 111
41 1110
42 1
43 11
44 101
45 1111
46 1
47 10
48 100
49 1000
50 10000
51 1
52 10001
53 1
54 10
55 11

List of values

[1, 1, 10, 1, 11, 1, 10, 100, 1, 101, 1, 10, 11, 110, 1, 111, 1, 10, 100, 1000, 1, 11, 1001, 1, 10, 101, 1010, 1, 1011, 1, 10, 11, 100, 110, 1100, 1, 1101, 1, 10, 111, 1110, 1, 11, 101, 1111, 1, 10, 100, 1000, 10000, 1, 10001, 1, 10, 11]