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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.

A161388 (Odd) binary palindromes n such that 2*n + 1 is a prime.

Table of values

n a(n)
1 1
2 3
3 5
4 9
5 15
6 21
7 33
8 51
9 63
10 65
11 99
12 119
13 153
14 165
15 189
16 219
17 231
18 273
19 341
20 443
21 455
22 495
23 561
24 585
25 645
26 765
27 771
28 891
29 975
30 1365
31 1421
32 1533
33 1539
34 1755
35 1911
36 2049
37 2553
38 2661
39 2709
40 2829
41 2925
42 3075
43 3171
44 3339
45 3435
46 3483
47 3579
48 4095
49 4433
50 4529

List of values

[1, 3, 5, 9, 15, 21, 33, 51, 63, 65, 99, 119, 153, 165, 189, 219, 231, 273, 341, 443, 455, 495, 561, 585, 645, 765, 771, 891, 975, 1365, 1421, 1533, 1539, 1755, 1911, 2049, 2553, 2661, 2709, 2829, 2925, 3075, 3171, 3339, 3435, 3483, 3579, 4095, 4433, 4529]

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

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