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.

A337135 a(1) = 1; for n > 1, a(n) = Sum_{d|n, d <= sqrt(n)} a(d).

Table of values

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

List of values

[1, 1, 1, 2, 1, 2, 1, 2, 2, 2, 1, 3, 1, 2, 2, 4, 1, 3, 1, 4, 2, 2, 1, 5, 2, 2, 2, 4, 1, 4, 1, 4, 2, 2, 2, 7, 1, 2, 2, 5, 1, 5, 1, 4, 3, 2, 1, 7, 2, 3, 2, 4, 1, 5, 2, 5, 2, 2, 1, 8, 1, 2, 3, 6, 2, 5, 1, 4, 2, 4, 1, 9, 1, 2, 3, 4, 2, 5, 1, 7, 4, 2, 1, 8, 2, 2, 2, 6, 1, 8, 2, 4, 2, 2, 2]