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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.

A265236 Number of solutions to the equation A x B = C, where A, B and C are nonnegative numbers appearing as (contiguous) substrings of the binary representation of n.

Table of values

n a(n)
0 1
1 1
2 8
3 3
4 13
5 12
6 18
7 5
8 19
9 17
10 18
11 20
12 31
13 26
14 28
15 7
16 26
17 23
18 23
19 26
20 31
21 22
22 32
23 28
24 47
25 40
26 38
27 34
28 49
29 40
30 38
31 9
32 34
33 30
34 29
35 31
36 31
37 31
38 38
39 34
40 47
41 39
42 28
43 34
44 53
45 40
46 46
47 38
48 66
49 55
50 54
51 48
52 59
53 46
54 46
55 48
56 75
57 62
58 58
59 52
60 67
61 58
62 48
63 11
64 43
65 38

List of values

[1, 1, 8, 3, 13, 12, 18, 5, 19, 17, 18, 20, 31, 26, 28, 7, 26, 23, 23, 26, 31, 22, 32, 28, 47, 40, 38, 34, 49, 40, 38, 9, 34, 30, 29, 31, 31, 31, 38, 34, 47, 39, 28, 34, 53, 40, 46, 38, 66, 55, 54, 48, 59, 46, 46, 48, 75, 62, 58, 52, 67, 58, 48, 11, 43, 38]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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