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.

A295299 Numbers k such that the sum of the divisors (A000203) and the binary weight of k (A000120) have different parity.

Table of values

n a(n)
1 7
2 9
3 11
4 13
5 14
6 18
7 19
8 21
9 22
10 26
11 28
12 31
13 35
14 36
15 37
16 38
17 41
18 42
19 44
20 47
21 52
22 55
23 56
24 59
25 61
26 62
27 67
28 69
29 70
30 72
31 73
32 74
33 76
34 79
35 82
36 84
37 87
38 88
39 91
40 93
41 94
42 97
43 103
44 104
45 107
46 109
47 110
48 112
49 115
50 117
51 118
52 122
53 124
54 127
55 131
56 133
57 134
58 137
59 138
60 140
61 143
62 144
63 145
64 146
65 148
66 151
67 152
68 155
69 157
70 158
71 161
72 164
73 167
74 168
75 169

List of values

[7, 9, 11, 13, 14, 18, 19, 21, 22, 26, 28, 31, 35, 36, 37, 38, 41, 42, 44, 47, 52, 55, 56, 59, 61, 62, 67, 69, 70, 72, 73, 74, 76, 79, 82, 84, 87, 88, 91, 93, 94, 97, 103, 104, 107, 109, 110, 112, 115, 117, 118, 122, 124, 127, 131, 133, 134, 137, 138, 140, 143, 144, 145, 146, 148, 151, 152, 155, 157, 158, 161, 164, 167, 168, 169]