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.

A342175 a(n) is the difference between the n-th composite number and the smallest larger composite to which it is relatively prime.

Table of values

n a(n)
1 5
2 19
3 1
4 1
5 11
6 13
7 1
8 1
9 5
10 7
11 1
12 1
13 3
14 1
15 1
16 1
17 1
18 5
19 19
20 1
21 1
22 1
23 1
24 13
25 1
26 1
27 9
28 13
29 1
30 1
31 3
32 1
33 1
34 1
35 1
36 3
37 1
38 1
39 1
40 1
41 5
42 17
43 1
44 1
45 1
46 1
47 19
48 1
49 1
50 11
51 5
52 1
53 1
54 1
55 1
56 7
57 1
58 1
59 3
60 1
61 1
62 1
63 1
64 3
65 1
66 1
67 1
68 1
69 1
70 1
71 19
72 1
73 1
74 11
75 13
76 1
77 1
78 5
79 7
80 1
81 1
82 3
83 1

List of values

[5, 19, 1, 1, 11, 13, 1, 1, 5, 7, 1, 1, 3, 1, 1, 1, 1, 5, 19, 1, 1, 1, 1, 13, 1, 1, 9, 13, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 1, 1, 5, 17, 1, 1, 1, 1, 19, 1, 1, 11, 5, 1, 1, 1, 1, 7, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 19, 1, 1, 11, 13, 1, 1, 5, 7, 1, 1, 3, 1]