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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.

A050880 Numbers n such that 243*2^n-1 is prime.

Table of values

n a(n)
1 2
2 6
3 8
4 11
5 12
6 18
7 24
8 27
9 36
10 38
11 44
12 56
13 58
14 62
15 116
16 134
17 162
18 242
19 274
20 348
21 358
22 478
23 512
24 548
25 658
26 824
27 1242
28 1287
29 1531
30 2846
31 3343
32 4818
33 4856
34 5051
35 6024
36 7431
37 7434
38 9432
39 9667
40 13059
41 13482
42 18111
43 19004
44 33571
45 40174
46 41467
47 53206
48 57978
49 61438

List of values

[2, 6, 8, 11, 12, 18, 24, 27, 36, 38, 44, 56, 58, 62, 116, 134, 162, 242, 274, 348, 358, 478, 512, 548, 658, 824, 1242, 1287, 1531, 2846, 3343, 4818, 4856, 5051, 6024, 7431, 7434, 9432, 9667, 13059, 13482, 18111, 19004, 33571, 40174, 41467, 53206, 57978, 61438]

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

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