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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.

A290810 Numbers k such that 6k-1, 12k-1 and 18k-1 are all primes.

Table of values

n a(n)
1 1
2 4
3 5
4 14
5 15
6 29
7 39
8 40
9 49
10 70
11 110
12 159
13 169
14 204
15 235
16 260
17 264
18 315
19 334
20 355
21 390
22 425
23 449
24 490
25 560
26 565
27 599
28 634
29 725
30 729
31 735
32 820
33 824
34 889
35 1019
36 1029
37 1349
38 1379
39 1419
40 1510
41 1580
42 1590
43 1694
44 1719
45 1765
46 1925
47 1930
48 1950
49 1985
50 2044
51 2150

List of values

[1, 4, 5, 14, 15, 29, 39, 40, 49, 70, 110, 159, 169, 204, 235, 260, 264, 315, 334, 355, 390, 425, 449, 490, 560, 565, 599, 634, 725, 729, 735, 820, 824, 889, 1019, 1029, 1349, 1379, 1419, 1510, 1580, 1590, 1694, 1719, 1765, 1925, 1930, 1950, 1985, 2044, 2150]

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

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