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.

A246601 Sum of divisors d of n with property that the binary representation of d can be obtained from the binary representation of n by changing any number of 1's to 0's.

Table of values

n a(n)
1 1
2 2
3 4
4 4
5 6
6 8
7 8
8 8
9 10
10 12
11 12
12 16
13 14
14 16
15 24
16 16
17 18
18 20
19 20
20 24
21 22
22 24
23 24
24 32
25 26
26 28
27 40
28 32
29 30
30 48
31 32
32 32
33 34
34 36
35 36
36 40
37 38
38 40
39 43
40 48
41 42
42 44
43 44
44 48
45 60
46 48
47 48
48 64
49 50
50 52
51 72
52 56
53 54
54 80
55 61
56 64
57 58
58 60
59 60
60 96
61 62
62 64
63 104
64 64
65 66
66 68
67 68
68 72
69 70
70 72

List of values

[1, 2, 4, 4, 6, 8, 8, 8, 10, 12, 12, 16, 14, 16, 24, 16, 18, 20, 20, 24, 22, 24, 24, 32, 26, 28, 40, 32, 30, 48, 32, 32, 34, 36, 36, 40, 38, 40, 43, 48, 42, 44, 44, 48, 60, 48, 48, 64, 50, 52, 72, 56, 54, 80, 61, 64, 58, 60, 60, 96, 62, 64, 104, 64, 66, 68, 68, 72, 70, 72]