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.

A348856 a(n) = Sum_{d|n} (Stirling2(n,d) mod 2).

Table of values

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

List of values

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