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.

A274382 a(n) = gcd(n, n*(n+1)/2 - sigma(n)).

Table of values

n a(n)
1 1
2 2
3 1
4 1
5 1
6 3
7 1
8 1
9 1
10 1
11 1
12 2
13 1
14 1
15 3
16 1
17 1
18 6
19 1
20 4
21 1
22 1
23 1
24 24
25 1
26 1
27 1
28 14
29 1
30 3
31 1
32 1
33 3
34 1
35 1
36 1
37 1
38 1
39 1
40 10
41 1
42 3
43 1
44 2
45 3
46 1
47 1
48 4
49 1
50 2
51 3
52 4
53 1
54 3
55 1
56 4
57 1
58 1
59 1
60 6
61 1
62 1
63 1
64 1
65 1
66 3
67 1
68 4
69 3
70 1
71 1
72 3
73 1
74 1
75 1
76 2
77 1
78 3
79 1
80 2
81 1
82 1
83 1
84 14
85 1
86 1

List of values

[1, 2, 1, 1, 1, 3, 1, 1, 1, 1, 1, 2, 1, 1, 3, 1, 1, 6, 1, 4, 1, 1, 1, 24, 1, 1, 1, 14, 1, 3, 1, 1, 3, 1, 1, 1, 1, 1, 1, 10, 1, 3, 1, 2, 3, 1, 1, 4, 1, 2, 3, 4, 1, 3, 1, 4, 1, 1, 1, 6, 1, 1, 1, 1, 1, 3, 1, 4, 3, 1, 1, 3, 1, 1, 1, 2, 1, 3, 1, 2, 1, 1, 1, 14, 1, 1]