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.

A324543 Möbius transform of A323243, where A323243(n) = sigma(A156552(n)).

Table of values

n a(n)
1 0
2 1
3 3
4 3
5 7
6 2
7 15
8 4
9 9
10 5
11 31
12 3
13 63
14 2
15 8
16 16
17 127
18 -1
19 255
20 4
21 21
22 16
23 511
24 8
25 21
26 20
27 12
28 27
29 1023
30 6
31 2047
32 8
33 20
34 48
35 20
36 20
37 4095
38 2
39 78
40 32
41 8191
42 -6
43 16383
44 17
45 9
46 288
47 32767
48 8
49 45
50 -3
51 122
52 45
53 65535
54 4
55 53
56 20
57 270
58 278
59 131071
60 2
61 262143
62 688
63 12
64 72
65 56
66 23
67 524287
68 125
69 260
70 -8
71 1048575
72 20
73 2097151
74 260
75 3
76 363
77 44
78 -7
79 4194303

List of values

[0, 1, 3, 3, 7, 2, 15, 4, 9, 5, 31, 3, 63, 2, 8, 16, 127, -1, 255, 4, 21, 16, 511, 8, 21, 20, 12, 27, 1023, 6, 2047, 8, 20, 48, 20, 20, 4095, 2, 78, 32, 8191, -6, 16383, 17, 9, 288, 32767, 8, 45, -3, 122, 45, 65535, 4, 53, 20, 270, 278, 131071, 2, 262143, 688, 12, 72, 56, 23, 524287, 125, 260, -8, 1048575, 20, 2097151, 260, 3, 363, 44, -7, 4194303]