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.

A082554 Primes whose base-2 representation is a block of 1's, followed by a block of 0's, followed by a block of 1's.

Table of values

n a(n)
1 5
2 11
3 13
4 17
5 19
6 23
7 29
8 47
9 59
10 61
11 67
12 71
13 79
14 97
15 103
16 113
17 131
18 191
19 193
20 199
21 223
22 227
23 239
24 241
25 251
26 257
27 263
28 271
29 383
30 449
31 463
32 479
33 487
34 499
35 503
36 509
37 769
38 911
39 967
40 991
41 1009
42 1019
43 1021
44 1031
45 1039
46 1087
47 1151
48 1279
49 1543
50 1567
51 1663
52 1823

List of values

[5, 11, 13, 17, 19, 23, 29, 47, 59, 61, 67, 71, 79, 97, 103, 113, 131, 191, 193, 199, 223, 227, 239, 241, 251, 257, 263, 271, 383, 449, 463, 479, 487, 499, 503, 509, 769, 911, 967, 991, 1009, 1019, 1021, 1031, 1039, 1087, 1151, 1279, 1543, 1567, 1663, 1823]