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.

A372885 Prime numbers whose binary indices (positions of ones in reversed binary expansion) sum to another prime number.

Table of values

n a(n)
1 2
2 3
3 11
4 23
5 29
6 41
7 43
8 61
9 71
10 79
11 89
12 101
13 103
14 113
15 131
16 137
17 149
18 151
19 163
20 181
21 191
22 197
23 211
24 239
25 269
26 271
27 281
28 293
29 307
30 331
31 349
32 353
33 373
34 383
35 401
36 433
37 457
38 491
39 503
40 509
41 523
42 541
43 547
44 593
45 641
46 683
47 701
48 709
49 743
50 751
51 761
52 773
53 827
54 863
55 887

List of values

[2, 3, 11, 23, 29, 41, 43, 61, 71, 79, 89, 101, 103, 113, 131, 137, 149, 151, 163, 181, 191, 197, 211, 239, 269, 271, 281, 293, 307, 331, 349, 353, 373, 383, 401, 433, 457, 491, 503, 509, 523, 541, 547, 593, 641, 683, 701, 709, 743, 751, 761, 773, 827, 863, 887]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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