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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.

A255569 Primes whose binary representation encodes an irreducible polynomial over GF(2) and has a nonprime number of 1's.

Table of values

n a(n)
1 2
2 1019
3 1279
4 1531
5 1663
6 1759
7 1783
8 1789
9 2011
10 2027
11 2543
12 2551
13 2687
14 2879
15 2927
16 2999
17 3037
18 3319
19 3517
20 3547
21 3559
22 3709
23 3833
24 3947
25 4007
26 4013
27 4021
28 4051
29 4073
30 4591
31 5023
32 5039
33 5051
34 5107
35 5563
36 5591
37 5743
38 5821
39 5981
40 6067
41 6271
42 6607
43 6637
44 6779
45 6959
46 7079
47 7351
48 7411
49 7517
50 7541
51 7591
52 7603
53 7727
54 7741
55 7823
56 7907
57 7963
58 7993

List of values

[2, 1019, 1279, 1531, 1663, 1759, 1783, 1789, 2011, 2027, 2543, 2551, 2687, 2879, 2927, 2999, 3037, 3319, 3517, 3547, 3559, 3709, 3833, 3947, 4007, 4013, 4021, 4051, 4073, 4591, 5023, 5039, 5051, 5107, 5563, 5591, 5743, 5821, 5981, 6067, 6271, 6607, 6637, 6779, 6959, 7079, 7351, 7411, 7517, 7541, 7591, 7603, 7727, 7741, 7823, 7907, 7963, 7993]

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