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.

A277994 Number of unordered integer pairs of the form {k | n, (k + 2^m) | n}, where k >= 1, m >= 0.

Table of values

n a(n)
1 0
2 1
3 1
4 2
5 1
6 4
7 0
8 3
9 2
10 3
11 0
12 8
13 0
14 1
15 3
16 4
17 1
18 6
19 0
20 6
21 2
22 1
23 0
24 12
25 1
26 1
27 2
28 2
29 0
30 9
31 0
32 5
33 3
34 3
35 2
36 11
37 0
38 1
39 1
40 9
41 0
42 7
43 0
44 2
45 5
46 1
47 0
48 16
49 0
50 3
51 2
52 2
53 0
54 6
55 1
56 4
57 2
58 1
59 0
60 17
61 0
62 1
63 4
64 6
65 3
66 8
67 0
68 5
69 1
70 5
71 0
72 17
73 0
74 1
75 3
76 2
77 1
78 4
79 0
80 12
81 2
82 1
83 0
84 13
85 2

List of values

[0, 1, 1, 2, 1, 4, 0, 3, 2, 3, 0, 8, 0, 1, 3, 4, 1, 6, 0, 6, 2, 1, 0, 12, 1, 1, 2, 2, 0, 9, 0, 5, 3, 3, 2, 11, 0, 1, 1, 9, 0, 7, 0, 2, 5, 1, 0, 16, 0, 3, 2, 2, 0, 6, 1, 4, 2, 1, 0, 17, 0, 1, 4, 6, 3, 8, 0, 5, 1, 5, 0, 17, 0, 1, 3, 2, 1, 4, 0, 12, 2, 1, 0, 13, 2]