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.

A295298 Numbers n for which sum of the divisors (A000203) and the binary weight of n (A000120) have the same parity.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 8
8 10
9 12
10 15
11 16
12 17
13 20
14 23
15 24
16 25
17 27
18 29
19 30
20 32
21 33
22 34
23 39
24 40
25 43
26 45
27 46
28 48
29 49
30 50
31 51
32 53
33 54
34 57
35 58
36 60
37 63
38 64
39 65
40 66
41 68
42 71
43 75
44 77
45 78
46 80
47 81
48 83
49 85
50 86
51 89
52 90
53 92
54 95
55 96
56 98
57 99
58 100
59 101
60 102
61 105
62 106
63 108
64 111
65 113
66 114
67 116
68 119
69 120
70 121
71 123
72 125
73 126
74 128
75 129
76 130
77 132
78 135
79 136

List of values

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 25, 27, 29, 30, 32, 33, 34, 39, 40, 43, 45, 46, 48, 49, 50, 51, 53, 54, 57, 58, 60, 63, 64, 65, 66, 68, 71, 75, 77, 78, 80, 81, 83, 85, 86, 89, 90, 92, 95, 96, 98, 99, 100, 101, 102, 105, 106, 108, 111, 113, 114, 116, 119, 120, 121, 123, 125, 126, 128, 129, 130, 132, 135, 136]