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.

A335186 a(n) = nextprime(ceiling(n/2)-1) + prevprime(floor(n/2)+1), where nextprime = A151800 and prevprime = A151799.

Table of values

n a(n)
4 4
5 5
6 6
7 8
8 8
9 8
10 10
11 12
12 12
13 12
14 14
15 18
16 18
17 18
18 18
19 18
20 18
21 18
22 22
23 24
24 24
25 24
26 26
27 30
28 30
29 30
30 30
31 30
32 30
33 30
34 34
35 36
36 36
37 36
38 38
39 42
40 42
41 42
42 42
43 42
44 42
45 42
46 46
47 52
48 52
49 52
50 52
51 52
52 52
53 52
54 52
55 52
56 52
57 52
58 58
59 60
60 60
61 60
62 62
63 68
64 68
65 68
66 68
67 68
68 68
69 68
70 68
71 68
72 68
73 68
74 74

List of values

[4, 5, 6, 8, 8, 8, 10, 12, 12, 12, 14, 18, 18, 18, 18, 18, 18, 18, 22, 24, 24, 24, 26, 30, 30, 30, 30, 30, 30, 30, 34, 36, 36, 36, 38, 42, 42, 42, 42, 42, 42, 42, 46, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 58, 60, 60, 60, 62, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 68, 74]

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

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