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.

A027697 Odious primes: primes with odd number of 1's in binary expansion.

Table of values

n a(n)
1 2
2 7
3 11
4 13
5 19
6 31
7 37
8 41
9 47
10 59
11 61
12 67
13 73
14 79
15 97
16 103
17 107
18 109
19 127
20 131
21 137
22 151
23 157
24 167
25 173
26 179
27 181
28 191
29 193
30 199
31 211
32 223
33 227
34 229
35 233
36 239
37 241
38 251
39 271
40 283
41 307
42 313
43 331
44 367
45 379
46 397
47 409
48 419
49 421
50 431
51 433
52 439
53 443
54 457
55 463
56 487
57 491
58 499
59 521
60 541
61 557
62 563

List of values

[2, 7, 11, 13, 19, 31, 37, 41, 47, 59, 61, 67, 73, 79, 97, 103, 107, 109, 127, 131, 137, 151, 157, 167, 173, 179, 181, 191, 193, 199, 211, 223, 227, 229, 233, 239, 241, 251, 271, 283, 307, 313, 331, 367, 379, 397, 409, 419, 421, 431, 433, 439, 443, 457, 463, 487, 491, 499, 521, 541, 557, 563]