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.

A074625 Triangular array T(n,k) (n >= 1, 1 <= k <= n) read by rows, where T(n,k) = smallest number x such that Mod[sigma[x],n]=k.

Table of values

n a(n)
1 1
2 1
3 3
4 1
5 7
6 2
7 1
8 5
9 2
10 3
11 1
12 4
13 2
14 3
15 8
16 1
17 7
18 2
19 3
20 2401
21 5
22 1
23 29
24 2
25 3
26 6
27 5
28 4
29 1
30 10
31 2
32 3
33 9
34 5
35 4
36 7
37 1
38 19
39 2
40 3
41 13
42 5
43 4
44 7
45 10
46 1
47 6
48 2
49 3
50 8
51 5
52 4
53 7
54 18
55 19
56 1
57 9
58 2
59 3
60 24
61 5
62 4
63 7
64 16
65 21
66 43
67 1
68 13
69 2
70 3
71 2401
72 5
73 4
74 7
75 49
76 31213
77 9604
78 6
79 1
80 8
81 2
82 3
83 10
84 5
85 4
86 7
87 33
88 22

List of values

[1, 1, 3, 1, 7, 2, 1, 5, 2, 3, 1, 4, 2, 3, 8, 1, 7, 2, 3, 2401, 5, 1, 29, 2, 3, 6, 5, 4, 1, 10, 2, 3, 9, 5, 4, 7, 1, 19, 2, 3, 13, 5, 4, 7, 10, 1, 6, 2, 3, 8, 5, 4, 7, 18, 19, 1, 9, 2, 3, 24, 5, 4, 7, 16, 21, 43, 1, 13, 2, 3, 2401, 5, 4, 7, 49, 31213, 9604, 6, 1, 8, 2, 3, 10, 5, 4, 7, 33, 22]