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.

A280817 a(n) = A049501(sigma(n)).

Table of values

n a(n)
1 0
2 0
3 1
4 0
5 2
6 2
7 1
8 0
9 2
10 5
11 2
12 3
13 3
14 2
15 2
16 0
17 5
18 1
19 4
20 9
21 1
22 5
23 2
24 4
25 0
26 9
27 4
28 3
29 4
30 5
31 1
32 0
33 2
34 7
35 2
36 5
37 6
38 4
39 3
40 11
41 9
42 2
43 5
44 9
45 7
46 5
47 2
48 5
49 3
50 6
51 5
52 8
53 7
54 4
55 5
56 4
57 4
58 11
59 4
60 9
61 5
62 2
63 6
64 0
65 9
66 5
67 6
68 6
69 2
70 5
71 5
72 2
73 11
74 9
75 5
76 7
77 2
78 9
79 4
80 13
81 4
82 6
83 9
84 3
85 7
86 7
87 4
88 11
89 11
90 15
91 3
92 9
93 1
94 5
95 4
96 6
97 8
98 9
99 7
100 7
101 8
102 7
103 6
104 13
105 2
106 11
107 7
108 7
109 8

List of values

[0, 0, 1, 0, 2, 2, 1, 0, 2, 5, 2, 3, 3, 2, 2, 0, 5, 1, 4, 9, 1, 5, 2, 4, 0, 9, 4, 3, 4, 5, 1, 0, 2, 7, 2, 5, 6, 4, 3, 11, 9, 2, 5, 9, 7, 5, 2, 5, 3, 6, 5, 8, 7, 4, 5, 4, 4, 11, 4, 9, 5, 2, 6, 0, 9, 5, 6, 6, 2, 5, 5, 2, 11, 9, 5, 7, 2, 9, 4, 13, 4, 6, 9, 3, 7, 7, 4, 11, 11, 15, 3, 9, 1, 5, 4, 6, 8, 9, 7, 7, 8, 7, 6, 13, 2, 11, 7, 7, 8]