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.

A087990 Number of palindromic divisors of n.

Table of values

n a(n)
1 1
2 2
3 2
4 3
5 2
6 4
7 2
8 4
9 3
10 3
11 2
12 5
13 1
14 3
15 3
16 4
17 1
18 5
19 1
20 4
21 3
22 4
23 1
24 6
25 2
26 2
27 3
28 4
29 1
30 5
31 1
32 4
33 4
34 2
35 3
36 6
37 1
38 2
39 2
40 5
41 1
42 5
43 1
44 6
45 4
46 2
47 1
48 6
49 2
50 3
51 2
52 3
53 1
54 5
55 4
56 5
57 2
58 2
59 1
60 6
61 1
62 2
63 4
64 4
65 2
66 8
67 1
68 3
69 2
70 4
71 1
72 7
73 1
74 2
75 3
76 3
77 4
78 4
79 1
80 5
81 3
82 2
83 1
84 6
85 2
86 2
87 2
88 8
89 1
90 6
91 2
92 3
93 2
94 2
95 2
96 6
97 1
98 3
99 6
100 4
101 2
102 4
103 1
104 4
105 4

List of values

[1, 2, 2, 3, 2, 4, 2, 4, 3, 3, 2, 5, 1, 3, 3, 4, 1, 5, 1, 4, 3, 4, 1, 6, 2, 2, 3, 4, 1, 5, 1, 4, 4, 2, 3, 6, 1, 2, 2, 5, 1, 5, 1, 6, 4, 2, 1, 6, 2, 3, 2, 3, 1, 5, 4, 5, 2, 2, 1, 6, 1, 2, 4, 4, 2, 8, 1, 3, 2, 4, 1, 7, 1, 2, 3, 3, 4, 4, 1, 5, 3, 2, 1, 6, 2, 2, 2, 8, 1, 6, 2, 3, 2, 2, 2, 6, 1, 3, 6, 4, 2, 4, 1, 4, 4]