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.

A328337 The number whose binary indices are the nontrivial divisors of n (greater than 1 and less than n).

Table of values

n a(n)
1 0
2 0
3 0
4 2
5 0
6 6
7 0
8 10
9 4
10 18
11 0
12 46
13 0
14 66
15 20
16 138
17 0
18 294
19 0
20 538
21 68
22 1026
23 0
24 2222
25 16
26 4098
27 260
28 8266
29 0
30 16950
31 0
32 32906
33 1028
34 65538
35 80
36 133422
37 0
38 262146
39 4100
40 524954
41 0
42 1056870
43 0
44 2098186
45 16660
46 4194306
47 0
48 8423598
49 64
50 16777746
51 65540

List of values

[0, 0, 0, 2, 0, 6, 0, 10, 4, 18, 0, 46, 0, 66, 20, 138, 0, 294, 0, 538, 68, 1026, 0, 2222, 16, 4098, 260, 8266, 0, 16950, 0, 32906, 1028, 65538, 80, 133422, 0, 262146, 4100, 524954, 0, 1056870, 0, 2098186, 16660, 4194306, 0, 8423598, 64, 16777746, 65540]