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.

A057472 Numbers k such that 2*6^k - 1 is prime.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 12
7 16
8 26
9 27
10 36
11 40
12 45
13 49
14 52
15 53
16 75
17 140
18 150
19 167
20 245
21 250
22 755
23 785
24 825
25 970
26 1235
27 1289
28 1477
29 1739
30 1872
31 1976
32 1993
33 2175
34 4218
35 7656
36 10898
37 13410
38 13625
39 15706
40 33003
41 44288
42 45556
43 48855
44 60522
45 62795
46 98898
47 118429
48 153714

List of values

[1, 2, 3, 4, 5, 12, 16, 26, 27, 36, 40, 45, 49, 52, 53, 75, 140, 150, 167, 245, 250, 755, 785, 825, 970, 1235, 1289, 1477, 1739, 1872, 1976, 1993, 2175, 4218, 7656, 10898, 13410, 13625, 15706, 33003, 44288, 45556, 48855, 60522, 62795, 98898, 118429, 153714]

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

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