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.

A001876 Number of divisors of n of the form 5k+1; a(0)=0.

Table of values

n a(n)
0 0
1 1
2 1
3 1
4 1
5 1
6 2
7 1
8 1
9 1
10 1
11 2
12 2
13 1
14 1
15 1
16 2
17 1
18 2
19 1
20 1
21 2
22 2
23 1
24 2
25 1
26 2
27 1
28 1
29 1
30 2
31 2
32 2
33 2
34 1
35 1
36 3
37 1
38 1
39 1
40 1
41 2
42 3
43 1
44 2
45 1
46 2
47 1
48 3
49 1
50 1
51 2
52 2
53 1
54 2
55 2
56 2
57 1
58 1
59 1
60 2
61 2
62 2
63 2
64 2
65 1
66 4
67 1
68 1
69 1
70 1
71 2
72 3
73 1
74 1
75 1
76 2
77 2
78 3
79 1
80 2
81 2
82 2
83 1
84 3
85 1
86 2
87 1

List of values

[0, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 2, 1, 2, 1, 1, 2, 2, 1, 2, 1, 2, 1, 1, 1, 2, 2, 2, 2, 1, 1, 3, 1, 1, 1, 1, 2, 3, 1, 2, 1, 2, 1, 3, 1, 1, 2, 2, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 1, 4, 1, 1, 1, 1, 2, 3, 1, 1, 1, 2, 2, 3, 1, 2, 2, 2, 1, 3, 1, 2, 1]