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.

A090333 Nonprimes with no divisors >1 that are prefixes of other divisors in binary representation.

Table of values

n a(n)
1 1
2 9
3 25
4 33
5 35
6 49
7 65
8 69
9 77
10 91
11 121
12 125
13 129
14 133
15 141
16 143
17 145
18 155
19 161
20 169
21 209
22 247
23 259
24 265
25 267
26 287
27 289
28 295
29 299
30 301
31 305
32 319
33 323
34 329
35 341
36 343
37 361
38 371
39 377
40 391
41 395
42 403
43 407
44 437
45 451
46 473
47 481
48 485
49 493
50 505
51 515
52 519
53 527
54 529
55 533

List of values

[1, 9, 25, 33, 35, 49, 65, 69, 77, 91, 121, 125, 129, 133, 141, 143, 145, 155, 161, 169, 209, 247, 259, 265, 267, 287, 289, 295, 299, 301, 305, 319, 323, 329, 341, 343, 361, 371, 377, 391, 395, 403, 407, 437, 451, 473, 481, 485, 493, 505, 515, 519, 527, 529, 533]