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.

A180131 Smallest k such that k*3^n is a sum of two successive primes.

Table of values

n a(n)
0 5
1 4
2 2
3 6
4 2
5 10
6 20
7 26
8 22
9 10
10 16
11 8
12 8
13 72
14 24
15 8
16 18
17 6
18 2
19 6
20 2
21 10
22 20
23 20
24 22
25 20
26 52
27 50
28 104
29 118
30 84
31 28
32 38
33 306
34 102
35 34
36 100
37 50
38 30
39 10
40 192
41 64
42 46
43 66
44 22
45 220
46 84
47 28
48 176
49 88
50 30
51 10
52 8
53 152
54 292
55 98
56 82
57 124
58 160
59 206
60 106
61 106
62 160
63 128
64 78
65 26
66 110
67 80

List of values

[5, 4, 2, 6, 2, 10, 20, 26, 22, 10, 16, 8, 8, 72, 24, 8, 18, 6, 2, 6, 2, 10, 20, 20, 22, 20, 52, 50, 104, 118, 84, 28, 38, 306, 102, 34, 100, 50, 30, 10, 192, 64, 46, 66, 22, 220, 84, 28, 176, 88, 30, 10, 8, 152, 292, 98, 82, 124, 160, 206, 106, 106, 160, 128, 78, 26, 110, 80]

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

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