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.

A261194 Encoded square binary matrices representing an idempotent relation.

Table of values

n a(n)
0 0
1 1
2 3
3 5
4 9
5 11
6 16
7 17
8 18
9 19
10 20
11 21
12 23
13 25
14 27
15 33
16 37
17 49
18 53
19 65
20 67
21 73
22 75
23 81
24 83
25 89
26 91
27 141
28 144
29 145
30 148
31 149
32 153
33 154
34 155
35 157
36 159
37 181
38 209
39 217
40 219
41 272
42 273
43 274
44 275
45 283
46 291
47 305
48 307
49 308
50 309
51 311
52 337
53 339
54 347
55 513
56 517
57 529

List of values

[0, 1, 3, 5, 9, 11, 16, 17, 18, 19, 20, 21, 23, 25, 27, 33, 37, 49, 53, 65, 67, 73, 75, 81, 83, 89, 91, 141, 144, 145, 148, 149, 153, 154, 155, 157, 159, 181, 209, 217, 219, 272, 273, 274, 275, 283, 291, 305, 307, 308, 309, 311, 337, 339, 347, 513, 517, 529]